332354 + Interview Questions in Secondary School in Math

1.	The ratio of children taking the activities ofyoga, horse riding, basket ball and dramaticsin a group is 3:2:5:6. If the number ofchildren in the group is 320, find the numberof children in each activity.
Answer» ANSWER: LET the RATIO be x 3x+2x+5x+6x=320 16x=320 x=20

1.

The ratio of children taking the activities ofyoga, horse riding, basket ball and dramaticsin a group is 3:2:5:6. If the number ofchildren in the group is 320, find the numberof children in each activity.

Answer»

ANSWER:

LET the RATIO be x

3x+2x+5x+6x=320

16x=320

x=20

Discussion

2.	If tan 35º = k, then the value oftan 145º – tan 1250/1+tan 145º tan 125
Answer» Answer: 145° = 35°+35°+35°+35°+5° = 4 (35°) +5° = 4k+5 1250° = 35(35°) +25 = 35k+25 :.tan145° -tan1250° = 4k+5-(35k+25) = 4k+5-35k-25 =-31k -20 tan125°=3(35°) +20 = 3k+20 :.tan145° - tan1250°/1+tan145° tan125° = -31k-20 /(4k+5)(3k+20)

2.

If tan 35º = k, then the value oftan 145º – tan 1250/1+tan 145º tan 125

Answer»

Answer:

145° = 35°+35°+35°+35°+5°

= 4 (35°) +5°

= 4k+5

1250° = 35(35°) +25

= 35k+25

:.tan145° -tan1250°

= 4k+5-(35k+25)

= 4k+5-35k-25

=-31k -20

tan125°=3(35°) +20

= 3k+20

:.tan145° - tan1250°/1+tan145° tan125°

= -31k-20 /(4k+5)(3k+20)

Discussion

3.	4. One of the solution of a linear equation in two variables is(a) (3, 2) (b) (3,-2) (c) (2, 3) (d) (-2, -3)
Answer» ANSWER: (C)2,3 is the answer for LINEAR EQUATION

3.

4. One of the solution of a linear equation in two variables is(a) (3, 2) (b) (3,-2) (c) (2, 3) (d) (-2, -3)

Answer»

ANSWER:

(C)2,3 is the answer for LINEAR EQUATION

Discussion

4.	Pls can someone tell me this one's ans
Answer» ANSWER: DUDE it's so easy hope this helps you please mark me as the BRAINLIEST

4.

Pls can someone tell me this one's ans

Answer»

ANSWER:

DUDE it's so easy

hope this helps you

please mark me as the BRAINLIEST

Discussion

5.	Express 13. 457777........... in p/q form
Answer» $\huge{Answer}$ here GIVEN that :- 13.4577777... let x be = 13.4577777... ---(i) multiplying both sides by 100 x × 100 = 13.4577777... × 100 100x = 1345.777777... ---(ii) subtracting equation (i) from equation (ii) 100x - x = 1345.777777... - 13.45777777... 99X = 1332.32 x = 1332.32/99 now, in the FORM of p/Q both p and q must be integers but here p is not a integer. so let's multiply both p and q by 100 x = (1332.32 × 100)/(99 × 100) x = 133232/900 = 3028/225

5.

Express 13. 457777........... in p/q form

Answer»

$\huge{Answer}$

here GIVEN that :- 13.4577777...

let x be = 13.4577777... ---(i)

multiplying both sides by 100

x × 100 = 13.4577777... × 100

100x = 1345.777777... ---(ii)

subtracting equation (i) from equation (ii)

100x - x = 1345.777777... - 13.45777777...

99X = 1332.32

x = 1332.32/99

now, in the FORM of p/Q both p and q must be integers

but here p is not a integer.

so let's multiply both p and q by 100

x = (1332.32 × 100)/(99 × 100)

x = 133232/900 = 3028/225

Discussion

6.	Solve (D³+D²+4D)y=0
Answer» ANSWER: DY^3+DY^2+4DY=0 DY^3+2+4DY=0 DY^5+4DY=0 2DY+9=0 2DY=-9 DY=-9/2 DY=-4.5

6.

Solve (D³+D²+4D)y=0

Answer»

ANSWER:

DY^3+DY^2+4DY=0

DY^3+2+4DY=0

DY^5+4DY=0

2DY+9=0

2DY=-9

DY=-9/2

DY=-4.5

Discussion

7.	Express the following numbers in the standard form 0.000000000947
Answer» Answer: 9.47 ×10^-12 #FOLLOWME #markasbrainlist ..

7.

Express the following numbers in the standard form 0.000000000947

Answer»

Answer:

9.47 ×10^-12

#FOLLOWME

#markasbrainlist

..

Discussion

8.	A (-2 2) and B (2 -4) then Ap = 3by 7 aAB
Answer» hlo friends how are you FOLLOW me PLEASE

8.

A (-2 2) and B (2 -4) then Ap = 3by 7 aAB

Answer»

hlo

friends

how

are

you

FOLLOW me PLEASE

Discussion

9.	A=B=60° then verify: Cos(A -B) = CosA CosB + SinA SinB
Answer» Answer: given A=B=60 verification COS (A-B) = cosA COSB + sinA sinB cos(0 -0 ) = COS60 cos60 + sin60 sin60 $cos( {0}^{0} - {0}^{0}) = \frac{1}{2} \times \frac{1}{2} + \frac{ \sqrt{3} }{2} \times \frac{ \sqrt{3} }{2}$ $\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{1}{4} + \frac{3}{4}$ $\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{1 + 3}{4} = \frac{4}{4}$ $\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: {cos0}^{0} = 1$

9.

A=B=60° then verify: Cos(A -B) = CosA CosB + SinA SinB

Answer»

Answer:

given A=B=60

verification

COS (A-B) = cosA COSB + sinA sinB

cos(0 -0 ) = COS60 cos60 + sin60 sin60

$cos( {0}^{0} - {0}^{0}) = \frac{1}{2} \times \frac{1}{2} + \frac{ \sqrt{3} }{2} \times \frac{ \sqrt{3} }{2}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{1}{4} + \frac{3}{4}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{1 + 3}{4} = \frac{4}{4}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: {cos0}^{0} = 1$

Discussion

10.	A's income is 10% less than B's income how much percentage is B's income more than A's
Answer» ANSWER: B,s INCOME is 11.11 more than A,s.

10.

A's income is 10% less than B's income how much percentage is B's income more than A's

Answer»

ANSWER:

B,s INCOME is 11.11 more than A,s.

Discussion

11.	Find the difference beetween a temperature of 7°C above zero and a temperature of 10°C below zero.10 POINTS..
Answer» Answer: 7 degrees above ZERO = 7 10 degrees below zero = -10 7 - ( - 10 ) = 7+10 = - 17 There is a difference of -17 degree Celsius. Hope this SATISFIES your question and please mark as BRAINLIEST answer

11.

Find the difference beetween a temperature of 7°C above zero and a temperature of 10°C below zero.10 POINTS..

Answer»

Answer:

7 degrees above ZERO = 7

10 degrees below zero = -10

7 - ( - 10 ) = 7+10 = - 17

There is a difference of -17 degree Celsius.

Hope this SATISFIES your question and please mark as BRAINLIEST answer

Discussion

12.	bhavena has a cumulative desposit account in the bank of maharashtra of rs.300 per month at 12%.if he gets rs.8100 at the time of maturity,then find the total time for which the account was held
Answer» ANSWER: the ACCOUNT was HELD for 8 YRS

12.

bhavena has a cumulative desposit account in the bank of maharashtra of rs.300 per month at 12%.if he gets rs.8100 at the time of maturity,then find the total time for which the account was held

Answer»

ANSWER:

the ACCOUNT was HELD for 8 YRS

Discussion

13.	find the equation of the circle which passes through the origin and cuts off intercepts of 'a' , each from positive directions of the axes.
Answer» Step-by-step explanation: x^2 + y^2 + 2gx +2fy+c= 0 solve this for the THREE points and you will get your required EQUATION of the circle. METHOD 2: You can USE another method. Just see thecircle goes through the origin and at the origin x and y axis are perpendicular and you also know that semicircular ANGLE is a right angle.

13.

find the equation of the circle which passes through the origin and cuts off intercepts of 'a' , each from positive directions of the axes.

Answer»

Step-by-step explanation:

x^2 + y^2 + 2gx +2fy+c= 0 solve this for the THREE points and you will get your required EQUATION of the circle. METHOD 2: You can USE another method. Just see thecircle goes through the origin and at the origin x and y axis are perpendicular and you also know that semicircular ANGLE is a right angle.

Discussion

14.	Greatest three digit number which is a perfect square
Answer» ANSWER: 38 from 999 is the answer I THINK

14.

Greatest three digit number which is a perfect square

Answer»

ANSWER:

38 from 999 is the answer I THINK

Discussion

15.	Integration of lnx/x dx ???
Answer» ANSWER: PLZZZ GIVE me brainliest ANS and plzzzz FOLLOW me

15.

Integration of lnx/x dx ???

Answer»

ANSWER:

PLZZZ GIVE me brainliest ANS and plzzzz FOLLOW me

Discussion

16.	One of the acute of right triangle is 36 degree find the otherplease please please please please please please please please please please please please please please please answer me fast
Answer» Answer: 54 Step-by-step explanation: 36-90 ,54 we have to MINUS it with 90 and then we can FIND OTHERS

16.

One of the acute of right triangle is 36 degree find the otherplease please please please please please please please please please please please please please please please answer me fast

Answer»

Answer:

54

Step-by-step explanation:

36-90 ,54 we have to MINUS it with 90 and then we can FIND OTHERS

Discussion

17.	What will be the square root of 625
Answer» ANSWER: Square ROOT of 625 will be 25 Please MARK me as BRAINLIEST.

Discussion

18.	On selling an article forRs. 105 a trader loses 9%. Togain 30% he should sell the ar-ucle at
Answer» Answer: RS 150 Step-by-step explanation: C. P = (SP) X (100/100-LOSS%) CP= (105) X (100/100-9) CP= 105 X 100/91 CP= 1500/13 NOW *SP = CP+ CPPROFIT%** SP = CP[(PROFIT%/100)+1] SP = 1500/13 (30/100. + 1) SP = 1500/13 (130/100) = 1510 =150 hope* *this* *will* *help* *you* *out*

18.

On selling an article forRs. 105 a trader loses 9%. Togain 30% he should sell the ar-ucle at

Answer»

Answer:

RS 150

Step-by-step explanation:

C. P = (SP) X (100/100-LOSS%)

CP= (105) X (100/100-9)

CP= 105 X 100/91

CP= 1500/13

NOW

SP = CP+ CP*PROFIT%

SP = CP[(PROFIT%/100)+1]

SP = 1500/13 (30/100. + 1)

SP = 1500/13 (130/100)

= 15*10

=150

hope this will help you out

Discussion

19.	Find the value of X : √3Sinx = Cosx
Answer» Answer: PLZZ GIVE me brainliest ans and PLZZZZ FOLLOW me

19.

Find the value of X : √3Sinx = Cosx

Answer»

Answer:

PLZZ GIVE me brainliest ans and PLZZZZ FOLLOW me

Discussion

20.	the sale price of a TV set including b80 is 27000 if the v a t is charged at 8% of the list price what is the least price of the TV set
Answer» ANSWER: PLEASE GIVE the answer of this QUESTION

20.

the sale price of a TV set including b80 is 27000 if the v a t is charged at 8% of the list price what is the least price of the TV set

Answer»

ANSWER:

PLEASE GIVE the answer of this QUESTION

Discussion

21.	Subtract 4577 from 6089
Answer» Answer: 1512 if we do SUBTRACT we will GET ANS

21.

Subtract 4577 from 6089

Answer»

Answer:

1512

if we do SUBTRACT we will GET ANS

Discussion

22.	9- Find five rational numbers between 2/3 and 4/5
Answer» Step-by-step explanation: plzz GIVE me BRAINLIEST ans and PLZZZZ follow me

22.

9- Find five rational numbers between 2/3 and 4/5

Answer»

Step-by-step explanation:

plzz GIVE me BRAINLIEST ans and PLZZZZ follow me

Discussion

23.	Find the length of each of the equal sides of the isosceles triangle if the perimeter and unequal side are perimeter=30cm unequal side =8cm
Answer» Answer: 11 cm Given: Perimeter=30 cm And Unequal sides=8 cm To find: EQUAL sides of the ISOSCELES triangle Solution:- LET the equal sides be x {as two sides of isosceles triangle are equal} We know that Perimeter of isosceles triangle=Sum of all sides 30=AB+BC+CA 30=8+x+x 30-8=2x 22=2x 11=x •x=11 cm ---------- ★ Verification ★ Perimeter=AB+BC+CA =8+11+11 =30 cm

23.

Find the length of each of the equal sides of the isosceles triangle if the perimeter and unequal side are perimeter=30cm unequal side =8cm

Answer»

Answer:

11 cm

Given:

Perimeter=30 cm

And Unequal sides=8 cm

To find:

EQUAL sides of the ISOSCELES triangle

Solution:-

LET the equal sides be x {as two sides of isosceles triangle are equal}

We know that

Perimeter of isosceles triangle=Sum of all sides

30=AB+BC+CA

30=8+x+x

30-8=2x

22=2x

11=x

•x=11 cm

----------

★ Verification ★

Perimeter=AB+BC+CA

=8+11+11

=30 cm

Discussion

24.	Find the principle that will yield an interest of rs 60 in 5 yrs at the rate of 4% per annum
Answer» ANSWER: SI=60rs time=5years rate=4% principal=si100/rt=300rs IF YOU LIKE MY ANSWER , MARK IT AS BRAINLIEST PLZZZZ....

24.

Find the principle that will yield an interest of rs 60 in 5 yrs at the rate of 4% per annum

Answer»

ANSWER:

SI=60rs

time=5years

rate=4%

principal=si*100/r*t=300rs

IF YOU LIKE MY ANSWER , MARK IT AS BRAINLIEST PLZZZZ....

Discussion

25.	15.The value of (256)0.16 X (256) 0.09 is
Answer» Answer: 40.96 X 23.04 = 943.7184 =943.8

25.

15.The value of (256)0.16 X (256) 0.09 is

Answer»

Answer:

40.96 X 23.04

= 943.7184

=943.8

Discussion

26.	In a survey of 100 students, the number of students studying various languages was found to be: English only 18, English but not Hindi 23, English and Sanskrit 8, English 26, Sanskrit 48, Sanskrit and Hindi 8, and no language24. Findi. How many students were studying Hindi?ii. How many students were studying English and Hindi?
Answer» ANSWER: 1•23 2.18,23 is answer for this Q

26.

In a survey of 100 students, the number of students studying various languages was found to be: English only 18, English but not Hindi 23, English and Sanskrit 8, English 26, Sanskrit 48, Sanskrit and Hindi 8, and no language24. Findi. How many students were studying Hindi?ii. How many students were studying English and Hindi?

Answer»

ANSWER:

1•23

2.18,23

is answer for this Q

Discussion

27.	Find the circumcentre of the triangle formed by the straight lines x+y=0,2x+y+5=0 and x_y=2
Answer» ANSWER: (1, -3) is the right answer Step-by-step explanation: PLEASE follow me mark BRAINLIEST please

27.

Find the circumcentre of the triangle formed by the straight lines x+y=0,2x+y+5=0 and x_y=2

Answer»

ANSWER:

(1, -3) is the right answer

Step-by-step explanation:

PLEASE follow me

mark BRAINLIEST please

Discussion

28.	For what value of K the two simultaneous equation x+y=2 and x-ky=1 will have no solution
Answer» ANSWER: Hey mate here's your answer..... ........ PLZ mark my answer as BRAINLIEST... *THANKING* *you* *Yours* *SINCERELY* *Jalay*

28.

For what value of K the two simultaneous equation x+y=2 and x-ky=1 will have no solution

Answer»

ANSWER:

Hey mate here's your answer.....

........

PLZ mark my answer as BRAINLIEST...

THANKING you

Yours SINCERELY

Jalay

Discussion

29.	Explain how can you measure frictional force
Answer» Answer: HLO friend here's your answer, FIRCTION:- The force that opposes motion is called friction, thus it is the force that slows things down or prevent things from moving. Friction is caused by the irregularities between TWO surfaces... Please mark me as brainlist and click THANKS button... HOPE this may help you friend...

29.

Explain how can you measure frictional force

Answer»

Answer:

HLO friend here's your answer,

FIRCTION:- The force that opposes motion is called friction,

thus it is the force that slows things down or prevent things from moving.

Friction is caused by the irregularities between TWO surfaces...

Please mark me as brainlist and click THANKS button...

HOPE this may help you friend...

Discussion

30.	X²-3x + 3x + 7 please solve this equation
Answer» ANSWER: X2 +7 Step-by-step explanation: its answer if it helpful PLZ LIKE it

30.

X²-3x + 3x + 7 please solve this equation

Answer»

ANSWER:

X2 +7

Step-by-step explanation:

its answer

if it helpful PLZ LIKE it

Discussion

31.	the area of a trapezium in which the parallel sides are 28m and 40 m non parallel sides are 9 m and 15 m is
Answer» Answer: Area of trapezium=1/2sum of parallel sidesheight =1/26815 =510 Therefore,area will be 510 sq.m. Please MARK me as BRAINLIEST.

Discussion

32.	Explain rationalisation best will markbas braniliest
Answer» Rationalisation is METHOD wich is used to change the denominator of a irrational numbers into RATIONAL numbers. Ex. 1/√2. =1/√2 ×√2/√2 here we MULTIPLIED the irrational no. with 1 which is √2/√2 HENCE we got ANSWER √2/2

32.

Explain rationalisation best will markbas braniliest

Answer»

Rationalisation is METHOD wich is used to change the denominator of a irrational numbers into RATIONAL numbers.

Ex. 1/√2. =1/√2 ×√2/√2

here we MULTIPLIED the irrational no. with 1 which is √2/√2

HENCE we got ANSWER √2/2

Discussion

33.	If log x:3 = log y: 4 = log z: 5, then zx =
Answer» Step-by-step explanation: I think it's HELP you please FOLLOW me and MARK brainliest please

33.

If log x:3 = log y: 4 = log z: 5, then zx =

Answer»

Step-by-step explanation:

I think it's HELP you

please FOLLOW me

and MARK brainliest please

Discussion

34.	Atul purchase and electric and for rupees 820 and sells it for rupees 570 find loss percent
Answer» Answer: 820-570=250 LOSS PERCENTAGE =250/1390*100 =0.00641 is the loss percentage. Please MARK me as BRAINLIEST.

Discussion

35.	473 schools all over India took partin the National Talent SearchExamination. If each school sent243 children, how many children allover India participated in the exam ?473 x 243 = ?
Answer» Answer: 114939 is ANSWE of the QUESTION

35.

473 schools all over India took partin the National Talent SearchExamination. If each school sent243 children, how many children allover India participated in the exam ?473 x 243 = ?

Answer»

Answer:

114939 is ANSWE of the QUESTION

Discussion

36.	Ronald is making hats and scarves for charity. He has enough yarn to make 5 hats and 8 scarves. It takes him 12 hours to knit a hat and 6 hours to knit a scarf; he has 20 hours to knit. Let x represent the number of hats made. Let y represent the number of scarves made. Which inequalities are among the constraints for this situation?a: x≤5b: x+y≤20c: 12x+6y≤20d: y≤8e: 5x+8y≤20
Answer» x≤5 12x+6y≤20 y≤8 Step-by-step explanation: Let x REPRESENT the number of HATS made. Let y represent the number of scarves made. We are given that He has enough YARN to make 5 hats and 8 scarves. So, $x\leq 5 , y\leq 8$ Time TAKEN to complete 1 hat = 12 hours Time taken to compete x hats = 12x Time taken to complete 1 scarf = 6 hours Time taken to compete y scarves = 6y He has 20 hours to knit. So, Inequality : $12x+6y\leq 20$ So, Option A ,C and D are among the constraints for this situation. #Learn more: Chevy has some yarn that he wants to use to make hats and scarves. Each hat uses 0.20.20, point, 2 kilograms of yarn and each scarf uses 0.10.10, point, 1 kilograms of yarn. Chevy wants to use 222 kilograms of yarn to make a total of 151515 items. Let hhh be the number of hats Chevy makes and sss be the number of scarves he makes. Which system of equations represents this situation? brainly.in/question/13298181

36.

Ronald is making hats and scarves for charity. He has enough yarn to make 5 hats and 8 scarves. It takes him 12 hours to knit a hat and 6 hours to knit a scarf; he has 20 hours to knit. Let x represent the number of hats made. Let y represent the number of scarves made. Which inequalities are among the constraints for this situation?a: x≤5b: x+y≤20c: 12x+6y≤20d: y≤8e: 5x+8y≤20

Answer»

x≤5

12x+6y≤20

y≤8

Step-by-step explanation:

Let x REPRESENT the number of HATS made.

Let y represent the number of scarves made.

We are given that He has enough YARN to make 5 hats and 8 scarves.

So, $x\leq 5 , y\leq 8$

Time TAKEN to complete 1 hat = 12 hours

Time taken to compete x hats = 12x

Time taken to complete 1 scarf = 6 hours

Time taken to compete y scarves = 6y

He has 20 hours to knit.

So, Inequality : $12x+6y\leq 20$

So, Option A ,C and D are among the constraints for this situation.

#Learn more:

Chevy has some yarn that he wants to use to make hats and scarves. Each hat uses 0.20.20, point, 2 kilograms of yarn and each scarf uses 0.10.10, point, 1 kilograms of yarn. Chevy wants to use 222 kilograms of yarn to make a total of 151515 items.

Let hhh be the number of hats Chevy makes and sss be the number of scarves he makes.

Which system of equations represents this situation?

brainly.in/question/13298181

Discussion

37.	14, 21, 25,30 का लघुत्तम समापवर्त्य ज्ञात
Answer» ANSWER: hii your answer is here ! Step-by-step EXPLANATION: FOLLOW me !

37.

14, 21, 25,30 का लघुत्तम समापवर्त्य ज्ञात

Answer»

ANSWER:

hii

your answer is here !

Step-by-step EXPLANATION:

FOLLOW me !

Discussion

38.	What is profit and loss?
Answer» ANSWER: when a selling PRICE of an item is more than its COST price , there is profit when the selling price of an item is less than it s cost price ,there is LOSS

38.

What is profit and loss?

Answer»

ANSWER:

when a selling PRICE of an item is more than its COST price , there is profit

when the selling price of an item is less than it s cost price ,there is LOSS

Discussion

39.	How many more cars of white colour were parked than the cars of black colour
Answer» Answer: TIGHT parking place with many CARS in BLACK and white colors - Stock IMAGE Tight parking place with many cars in black and white colors.

39.

How many more cars of white colour were parked than the cars of black colour

Answer»

Answer:

TIGHT parking place with many CARS in BLACK and white colors - Stock IMAGE Tight parking place with many cars in black and white colors.

Discussion

40.	A coat was sold by a shopkeeper at a gain of 5%. If it had been sold for 1650 less, he would have had a 5% loss. Find CP
Answer» Answer: 50/35 ..................

40.

A coat was sold by a shopkeeper at a gain of 5%. If it had been sold for 1650 less, he would have had a 5% loss. Find CP

Answer»

Answer:

50/35 ..................

Discussion

41.	The number of integer solutions of the equation 2 to the power x(4-x)=2x+4 is
Answer» Answer: beta Mera Shonu aap abhi chote ho aapko yah aap use NAHI karna chahiye AGAR aap aap use karte ho usme se kuch aap omet khud ka mind use karo aur Agar aapko Meri Baat Buri lagti ho to aap NCERT use kar sakte ho NCERT main Puri Puri INFORMATION batate hain aur explanation karne KE liye ek Sar AVAILABLE Rehte Hain have a good night

41.

The number of integer solutions of the equation 2 to the power x(4-x)=2x+4 is

Answer»

Answer:

beta Mera Shonu aap abhi chote ho aapko yah aap use NAHI karna chahiye AGAR aap aap use karte ho usme se kuch aap omet khud ka mind use karo aur Agar aapko Meri Baat Buri lagti ho to aap NCERT use kar sakte ho NCERT main Puri Puri INFORMATION batate hain aur explanation karne KE liye ek Sar AVAILABLE Rehte Hain have a good night

Discussion

42.	11. If 53p26p3 is a 7 digit number divisible hy9 and if 757qp is divisible by 8 then theminimum value of p + q is:
Answer» ANSWER: $p + q = 8$ Step-by-step EXPLANATION: $5 + 3 + p + 2 + 6 + p + 3 = 19 + 2p \\ 19 + 2p \: \: shoud \: be \: divisible \: by \: 9 \\ so \: p = 4 \\ 757qp \: \\ 7q4 \: should \: be \: divisible \: by \: 8 \\ q = 4 \\ \\ \\ p + q = 4 + 4 = 8$

42.

11. If 53p26p3 is a 7 digit number divisible hy9 and if 757qp is divisible by 8 then theminimum value of p + q is:

Answer»

ANSWER:

$p + q = 8$

Step-by-step EXPLANATION:

$5 + 3 + p + 2 + 6 + p + 3 = 19 + 2p \\ 19 + 2p \: \: shoud \: be \: divisible \: by \: 9 \\ so \: p = 4 \\ 757qp \: \\ 7q4 \: should \: be \: divisible \: by \: 8 \\ q = 4 \\ \\ \\ p + q = 4 + 4 = 8$

Discussion

43.	(b+c-a),(c+a-b),(a+b-c) are in AP
Answer» ANSWER: OK .. the what?.... write the FULL QUESTION. please...

43.

(b+c-a),(c+a-b),(a+b-c) are in AP

Answer»

ANSWER:

OK .. the what?.... write the FULL QUESTION. please...

Discussion

44.	Solve 7/x+8/y=2 and 2/x+12/y=20
Answer» Step-by-step EXPLANATION: which is the REQUIRED ANS.

44.

Solve 7/x+8/y=2 and 2/x+12/y=20

Answer»

Step-by-step EXPLANATION:

which is the REQUIRED ANS.

Discussion

45.	Sameera purchased 3 1/2 kg apples and 4 3/4 kg mangoes . what is the total weight
Answer» ANSWER: SAMEERA purcahsed 3 1/2 kg apples. 4 3/4 kg MANGOES so apple3.500 kg so mangoeka4.750 kag so total - 3500 +4750=8350 kg thank you and the answer is 8350.

45.

Sameera purchased 3 1/2 kg apples and 4 3/4 kg mangoes . what is the total weight

Answer»

ANSWER:

SAMEERA purcahsed 3 1/2 kg apples.

4 3/4 kg MANGOES

so apple3.500 kg

so mangoeka4.750 kag

so total - 3500 +4750=8350 kg

thank you

and the answer is 8350.

Discussion

46.	Plsss help this is urgent
Answer» Deepa and her mother's present age is 10 years and 34 years respectively. Step-by-step explanation: LET Deepa and her mother's present age be x and y respectively. Given, y = 3X + 4 ---- EQ 1 y + 6 = 2(x + 6) + 8 ----- Eq 2 Substituting Eq 1 in Eq 2, (3x + 4) + 6 = 2(x + 6) + 8 => 3x + 4 + 6 = 2x + 12 + 8 => 3x - 2x = 12 + 8 - 4 - 6 => x = 10 Substituting x = 10 in Eq 1, y = 3(10) + 4 => 30 + 4 = 34 Deepa and her mother's present age is 10 years and 34 years respectively..

46.

Plsss help this is urgent

Answer»

Deepa and her mother's present age is 10 years and 34 years respectively.

Step-by-step explanation:

LET Deepa and her mother's present age be x and y respectively.

Given,

y = 3X + 4 ---- EQ 1

y + 6 = 2(x + 6) + 8 ----- Eq 2

Substituting Eq 1 in Eq 2,

(3x + 4) + 6 = 2(x + 6) + 8

=> 3x + 4 + 6 = 2x + 12 + 8

=> 3x - 2x = 12 + 8 - 4 - 6

=> x = 10

Substituting x = 10 in Eq 1,

y = 3(10) + 4

=> 30 + 4 = 34

Deepa and her mother's present age is 10 years and 34 years respectively..

Discussion

47.	Five years ago, the ratio of the ages of a father and his son was 5 : 3. Which ofthe following cannotbethe ratio of their ages 10 years from now?
Answer» Let the age of FATHER be F and son be s five YEARS ago . . . (f-5) : (s-5) = 5:3 and then if we solve we will get f and s by that RATIOS can be determined....

47.

Five years ago, the ratio of the ages of a father and his son was 5 : 3. Which ofthe following cannotbethe ratio of their ages 10 years from now?

Answer»

Let the age of FATHER be F

and son be s

five YEARS ago

.

. . (f-5) : (s-5) = 5:3

and then if we solve we will get f and s

by that RATIOS can be determined....

Discussion

48.	100÷8 in process full
Answer» HOPE it will HELP you....!!!!!

48.

100÷8 in process full

Answer»

HOPE it will HELP you....!!!!!

Discussion

49.	the area of the circle is 81 Pi square centimetre find the length of the arc substance and angle of the 300 degree at the centre of the also the area of the corresponding sector
Answer» ANSWER: length of arc = 47.1cm area of SECTOR = 212.14 sq cm Step-by-step explanation: area of circle = π × r^2 = 81π r^2 = 81 r = √81 r = 9 length of arc = x/360 × 2 × π × r $= \frac{300}{360} \times 2 \times \frac{22}{7} \times 9 \\ = \frac{5}{6} \times \frac{22}{7} \times 18 \\ = 5 \times \frac{22}{7} \times 3 \\ = 15 \times 3.14 \\ = 47.1cm$ area of the sector $= \frac{x}{360} \times \pi \times {r}^{2} \\ = \frac{300}{360} \times \frac{22}{7} \times {9}^{2} \\ = \frac{5}{6} \times \frac{22}{7} \times 81 \\ = \frac{5}{2} \times \frac{22}{7} \times 27 \\ = 5 \times \frac{11}{7} \times 27 \\ = 212.14 \: {cm}^{2}$

49.

the area of the circle is 81 Pi square centimetre find the length of the arc substance and angle of the 300 degree at the centre of the also the area of the corresponding sector

Answer»

ANSWER:

length of arc = 47.1cm

area of SECTOR = 212.14 sq cm

Step-by-step explanation:

area of circle = π × r^2 = 81π

r^2 = 81

r = √81

r = 9

length of arc = x/360 × 2 × π × r

$= \frac{300}{360} \times 2 \times \frac{22}{7} \times 9 \\ = \frac{5}{6} \times \frac{22}{7} \times 18 \\ = 5 \times \frac{22}{7} \times 3 \\ = 15 \times 3.14 \\ = 47.1cm$

area of the sector

$= \frac{x}{360} \times \pi \times {r}^{2} \\ = \frac{300}{360} \times \frac{22}{7} \times {9}^{2} \\ = \frac{5}{6} \times \frac{22}{7} \times 81 \\ = \frac{5}{2} \times \frac{22}{7} \times 27 \\ = 5 \times \frac{11}{7} \times 27 \\ = 212.14 \: {cm}^{2}$

Discussion

50.	2/3x-1/2x = x+1/6Solve it step by step
Answer» HOPE it helps , well i didnt know WHEATHER 6 was in UPON of x+1 or only of 1/6 so......

50.

2/3x-1/2x = x+1/6Solve it step by step

Answer»

HOPE it helps ,

well i didnt know WHEATHER 6 was in UPON of x+1 or only of 1/6 so......

Discussion

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