332354 + Interview Questions in Secondary School in Math

1.	Find four pairs of number, one for each of addition, subtraction, multiplication and division that make the number 18. Write the equalities for each of them
Answer» ANSWER: Step-by-step EXPLANATION:

1.

Find four pairs of number, one for each of addition, subtraction, multiplication and division that make the number 18. Write the equalities for each of them

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

2.	A a man goes 30 kilometre due to North and then 40 kilometre to East. how far away is the from his initial position???
Answer» ANSWER: when we USE pythgoras thm 30 squar +40square = =900+1600 =2500 =50 Thus its DISTANCE is 50km

2.

A a man goes 30 kilometre due to North and then 40 kilometre to East. how far away is the from his initial position???

Answer»

ANSWER:

when we USE pythgoras thm

30 squar +40square =

=900+1600

=2500

=50

Thus its DISTANCE is 50km

Discussion

3.	MCO QUESTIONSQuestion 6AB and C started walking from the same point in different directions, Awalked East and B walked West in a straight line Caked south. At the end of 1 hourthey were all at the same distance from the starting point. If the distance between A and B is 6 kms, what is the distance between A and c3.5 kms0
Answer» Answer: 3√2km is the DISTANCE between the A and C

3.

MCO QUESTIONSQuestion 6AB and C started walking from the same point in different directions, Awalked East and B walked West in a straight line Caked south. At the end of 1 hourthey were all at the same distance from the starting point. If the distance between A and B is 6 kms, what is the distance between A and c3.5 kms0

Answer»

Answer:

3√2km is the DISTANCE between the A and C

Discussion

4.	Find A in the addition and solve the puzzle 8 1 A+ 1 A 3 9 7 979
Answer» 81A +1A3 979 A+3=9 A=9-3 A=6

4.

Find A in the addition and solve the puzzle 8 1 A+ 1 A 3 9 7 979

Answer»

81A

+1A3

979

A+3=9

A=9-3

A=6

Discussion

5.	At time=4seconds a car covers distance of 1.6 km and increases its speed to cover 4.8km in 20 seconds as the time passes it decreases the speed and cover 5.4 in 40 seconds.Find the speed at all the time intervalsplzz answer fast i will mark you as the brainliest
Answer» Answer: J dBm HUGH ssh bcc YET bcc 42682)668383+'!/=!):/$:!/

5.

At time=4seconds a car covers distance of 1.6 km and increases its speed to cover 4.8km in 20 seconds as the time passes it decreases the speed and cover 5.4 in 40 seconds.Find the speed at all the time intervalsplzz answer fast i will mark you as the brainliest

Answer»

Answer:

J dBm HUGH ssh bcc YET bcc 42682)668383+'!/=!):/$:!/

Discussion

6.	Principle=40,000 interest= 8% compounded annually find interest if period is one year
Answer» ANSWER: ok l have no IDEA..........

6.

Principle=40,000 interest= 8% compounded annually find interest if period is one year

Answer»

ANSWER:

ok

l have no IDEA..........

Discussion

7.	2 circles of radii 5cm and 3cm are concentric. calculate the length of a chord of the outer circle which touches the inner
Answer» Answer: Let the RADIUS of the bigger circle be 'R' and the radius of the SMALLER circle be 'r'. It is given that R=5cm=OB and r=3cm=OD and AB is the chord whose length we have to find. AD=BD and OD⊥AB(radius is perpendicular to a chord and it DIVIDES the chord into two equal parts) therefore, ΔODB is a right angled triangle where, OD²+BD²=OB² (3)²+BD²=(5)² 9+BD²=25 BD²=25-9 BD²=16 BD=4cm Since AD=BD=4cm therefore, AB=AD+BD AB=4+4 AB=8cm Read more on Brainly.in - brainly.in/question/1686191#readmore Step-by-step EXPLANATION:

7.

2 circles of radii 5cm and 3cm are concentric. calculate the length of a chord of the outer circle which touches the inner

Answer»

Answer:

Let the RADIUS of the bigger circle be 'R' and the radius of the SMALLER circle be 'r'.

It is given that R=5cm=OB and r=3cm=OD and AB is the chord whose length we have to find.

AD=BD and OD⊥AB(radius is perpendicular to a chord and it DIVIDES the chord into two equal parts)

therefore, ΔODB is a right angled triangle

where, OD²+BD²=OB²

(3)²+BD²=(5)²

9+BD²=25

BD²=25-9

BD²=16

BD=4cm

Since AD=BD=4cm

therefore, AB=AD+BD

AB=4+4

AB=8cm

Read more on Brainly.in - brainly.in/question/1686191#readmore

Step-by-step EXPLANATION:

Discussion

8.	What is 5percent of 1000ml?
Answer» Answer: Its 50 Step-by-step EXPLANATION: SOLUTION 5 percent of 1000ML (5/100)*1000 1000/20 =50ml

8.

What is 5percent of 1000ml?

Answer»

Answer:

Its 50

Step-by-step EXPLANATION:

SOLUTION

5 percent of 1000ML

(5/100)*1000

1000/20

=50ml

Discussion

9.	Hola Guys!Please give me some tips In memorizing the names of poets and authors in English for tomorrow's exam
Answer» Answer: Heyy mate. .. Just compare the ORIGINAL names with some kindnof funny names whichbyouv are FAMILIAR of.... It will surely remain in UR memory... HOPE IT HELPS U.

9.

Hola Guys!Please give me some tips In memorizing the names of poets and authors in English for tomorrow's exam

Answer»

Answer:

Heyy mate. .. Just compare the ORIGINAL names with some kindnof funny names whichbyouv are FAMILIAR of.... It will surely remain in UR memory...

HOPE IT HELPS U.

Discussion

10.	If one of the zeros of the quadratic polynomial is minus 6 then find the other 0
Answer» ANSWER: INCOMPLETE question Step-by-step EXPLANATION:

10.

If one of the zeros of the quadratic polynomial is minus 6 then find the other 0

Answer»

ANSWER:

INCOMPLETE question

Step-by-step EXPLANATION:

Discussion

11.	If angle A is 60 and I is the incenter, find AI interms of r( incenteric radius)
Answer» ANSWER: I THIK the answer is 10...

11.

If angle A is 60 and I is the incenter, find AI interms of r( incenteric radius)

Answer»

ANSWER:

I THIK the answer is 10...

Discussion

12.	show that the ratio of the areas of two similar triangles is equal to the sum of the squares of their corresponding slides.
Answer» Answer: This is a PROPERTY name as THEOREM of areas of SIMILAR TRIANGLES

12.

show that the ratio of the areas of two similar triangles is equal to the sum of the squares of their corresponding slides.

Answer»

Answer:

This is a PROPERTY name as THEOREM of areas of SIMILAR TRIANGLES

Discussion

13.	Prove, tan^-1 (1/2) + 1/2cos ^-1 (4/5) =
Answer» ANSWER: hcigxfi gpupufxpufxpfuxf

13.

Prove, tan^-1 (1/2) + 1/2cos ^-1 (4/5) =

Answer»

ANSWER:

hcigxfi gpupufxpufxpfuxf

Discussion

14.	The area of a rhombus is 240m sq and one of the diagonal is 16m. Find the other diagonal
Answer» ANSWER: AREA of rhombus=1/2×product of diagonals 240×2/16 =other diagonal 30

14.

The area of a rhombus is 240m sq and one of the diagonal is 16m. Find the other diagonal

Answer»

ANSWER:

AREA of rhombus=1/2×product of diagonals

240×2/16 =other diagonal

30

Discussion

15.	If Mohan’s income is 25% more than Raman’s income, then Raman’s income is less than Mohan’s income byA. 25%B. 80%C. 20%D. 75%
Answer» Answer: 20% Step-by-step explanation: LET be the Mohan INCOME Then RAMAN= 100+25=125 Percentage LESS than Raman to Mohan = 25/125*100 =20%

15.

If Mohan’s income is 25% more than Raman’s income, then Raman’s income is less than Mohan’s income byA. 25%B. 80%C. 20%D. 75%

Answer»

Answer: 20%

Step-by-step explanation:

LET be the Mohan INCOME

Then RAMAN= 100+25=125

Percentage LESS than Raman to Mohan = 25/125*100

=20%

Discussion

16.	Find the median of2, 3,5,7,9
Answer» ANSWER: HEY! MEDIAN = 5 hope it will be HELPFUL ✌️ #THANX to my answer

16.

Find the median of2, 3,5,7,9

Answer»

ANSWER:

HEY!

MEDIAN = 5

hope it will be HELPFUL ✌️

#THANX to my answer

Discussion

17.	Find the least number to added to 525 to get a perfect square
Answer» Answer: 4 what is the least NUMBER to ADDED to 525 to get a PERFECT SQUARE. 529 is square of 23

17.

Find the least number to added to 525 to get a perfect square

Answer»

Answer:

4 what is the least NUMBER to ADDED to 525 to get a PERFECT SQUARE.

529 is square of 23

Discussion

18.	draw a perpendicular from a point A on PQ is equal to 5 cm lying outside the line segment PQDraw a perpendicular bisector of line segment PQ is equal to 4.8 CM using ruler and compass.
Answer» ANSWER: as i have DONE do the same WAY you will GET the answer

18.

draw a perpendicular from a point A on PQ is equal to 5 cm lying outside the line segment PQDraw a perpendicular bisector of line segment PQ is equal to 4.8 CM using ruler and compass.

Answer»

ANSWER:

as i have DONE do the same WAY you will GET the answer

Discussion

19.	Let f(x) be a quadratic polynomial satisfying f (2) +f (4) = 0.If unity is one root of f (x) = 0 then find the other root.
Answer» ANSWER: I THINK the ROOT is 8 MAY be

19.

Let f(x) be a quadratic polynomial satisfying f (2) +f (4) = 0.If unity is one root of f (x) = 0 then find the other root.

Answer»

ANSWER:

I THINK the ROOT is 8 MAY be

Discussion

20.	The line connecting all the data values in a line graph is known as a........
Answer» A line graph, also known as a *line chart*, is a type of chart used to VISUALIZE the VALUE of something over time. For example, a finance DEPARTMENT may plot the change in the amount of cash the company has on hand over time. The line graph consists of a HORIZONTAL x-axis and a vertical y-axis.

Discussion

21.	What is the number whose 12% is 6
Answer» ANSWER: The answer is GIVEN in the above ATTACHMENT

21.

What is the number whose 12% is 6

Answer»

ANSWER:

The answer is GIVEN in the above ATTACHMENT

Discussion

22.	What %is Rs30 of Rs150?
Answer» ANSWER: The answer is 20... Step-by-step explanation: 30=x(LET)/100150 x=30100/150 x=20....

22.

What %is Rs30 of Rs150?

Answer»

ANSWER:

The answer is 20...

Step-by-step explanation:

30=x(LET)/100*150

x=30*100/150

x=20....

Discussion

23.	Perimeter of rectangle- 2×(l+b)
Answer» ANSWER: $it \: is \: correct \: mate$

23.

Perimeter of rectangle- 2×(l+b)

Answer»

ANSWER:

$it \: is \: correct \: mate$

Discussion

24.	Find value of ( 256)-¼*(256)¾
Answer» (256)^-1/4(256)^3/4 ~1/256^1/4256^3/4 ~1/4*64 ~64/4 ~16 ..,,. .....

24.

Find value of ( 256)-¼*(256)¾

Answer»

(256)^-1/4*(256)^3/4

~1/256^1/4*256^3/4

~1/4*64

~64/4

~16

..,,. .....

Discussion

25.	Which is Indian systemwhat is Indian system Indian system how many numbers
Answer» sorry the QUESTION is not clear .. Step-by-step explanation: MAYBE you mentioned this: 10 TEN 100. hundred 1000. thousand 10000 ten thousand 10000 lakh 10000000 ten lakh 10000000 crores 100000000 ten crores pls make it a brainliest ANSWER by MARKING it

25.

Which is Indian systemwhat is Indian system Indian system how many numbers

Answer»

sorry the QUESTION is not clear ..

Step-by-step explanation:

MAYBE you mentioned this:

10 TEN
100. hundred
1000. thousand
10000 ten thousand
10000 lakh
10000000 ten lakh
10000000 crores
100000000 ten crores

pls make it a brainliest ANSWER by MARKING it

Discussion

26.	Find the perimeter of the following figure-0-5 cm4 cm2-5 cm4 cm25 cm0-5 cm(A) 15 cm(C) 16 cm(B) 15 cm?(D) 25 cm?
Answer» ANSWER: MAY be 25 cm not perfect bro SORRY

26.

Find the perimeter of the following figure-0-5 cm4 cm2-5 cm4 cm25 cm0-5 cm(A) 15 cm(C) 16 cm(B) 15 cm?(D) 25 cm?

Answer»

ANSWER:

MAY be 25 cm not perfect bro SORRY

Discussion

27.	Rs.10,800 for 3 years at 12 1/2 % per annum compounded anually.
Answer» ANSWER: SORRY if you can't UNDERSTAND my HANDWRITING.

27.

Rs.10,800 for 3 years at 12 1/2 % per annum compounded anually.

Answer»

ANSWER:

SORRY if you can't UNDERSTAND my HANDWRITING.

Discussion

28.	Write the lcm of 11,19
Answer» ANSWER: Hey! LCM = 11 , 19 = 209 hope it will be helpful ✌️

28.

Write the lcm of 11,19

Answer»

ANSWER:

Hey!

LCM = 11 , 19

= 209

hope it will be helpful ✌️

Discussion

29.	Factorise 4x²+9y²+16z²+12xy-24yz-16xzalso, which identities will be used here?
Answer» ANSWER: = 4x²+9y²+16z²+12xy-24yz-16xz = (2X)²+ (3Y)²+ (-4Z)²+2(2x)(3y)+2(3y)(-4z)+2(2x)(-4z) = [(2x)+(3y)+(-4z)]² = [2x+3y-4z]² [a+b+c]² = a²+b²+c²+2ab+2bc+2ac

29.

Factorise 4x²+9y²+16z²+12xy-24yz-16xzalso, which identities will be used here?

Answer»

ANSWER:

= 4x²+9y²+16z²+12xy-24yz-16xz

= (2X)²+ (3Y)²+ (-4Z)²+2(2x)(3y)+2(3y)(-4z)+2(2x)(-4z)

= [(2x)+(3y)+(-4z)]²

= [2x+3y-4z]²

[a+b+c]² = a²+b²+c²+2ab+2bc+2ac

Discussion

30.	Extremely kind or honest. VIIICII UI UTU UQ32 The three vertices of a parallelogram ABCD are A (3,-4), B (-1,-3) and C (-6, 2). Find the coordinatesof vertex D and find the area of ABCD.
Answer» Step-by-step EXPLANATION: HOPE this HELPS you

30.

Extremely kind or honest. VIIICII UI UTU UQ32 The three vertices of a parallelogram ABCD are A (3,-4), B (-1,-3) and C (-6, 2). Find the coordinatesof vertex D and find the area of ABCD.

Answer»

Step-by-step EXPLANATION:

HOPE this HELPS you

Discussion

31.	176400x{ 1+5/100]^2
Answer» Step-by-step explanation: If you like it, PLEASE ADD in BRAINLIEST answer

31.

176400x{ 1+5/100]^2

Answer»

Step-by-step explanation:

If you like it, PLEASE ADD in BRAINLIEST answer

Discussion

32.	22. Ramkali required Rs 2,500 after 12 weeks to send her daughter to school. She saved Rs100 in the first week and increased her weekly savings by Rs 20 every week. Findwhether she will be able to send her daughter to school after 12 weeks.What value is generated in the above situation?2 Colofory.
Answer» SOLUTION : First saving = 100 second saving =120 third saving = 140 clearly this is an A.P. series with a=100, d=20 we are to find the sum of 12 terms of this series so, sum =( n/2)(2a+(n-1)d) sum=(12/2)(2100+(12-1)20) sum=6(200+1120) sum=6(200+220) sum=6420 sum=2520 so she would be able to SAVE RS. 2520 in 12 months and therefore will be able to send her daughter to school Step-by-step EXPLANATION: MARK ME AS BRAINLIST AND FOLLOW ME

32.

22. Ramkali required Rs 2,500 after 12 weeks to send her daughter to school. She saved Rs100 in the first week and increased her weekly savings by Rs 20 every week. Findwhether she will be able to send her daughter to school after 12 weeks.What value is generated in the above situation?2 Colofory.

Answer»

SOLUTION :

First saving = 100

second saving =120

third saving = 140

clearly this is an A.P. series with a=100,

d=20

we are to find the sum of 12 terms of this series

so,

sum =( n/2)*(2*a+(n-1)*d)

sum=(12/2)*(2*100+(12-1)*20)

sum=6*(200+11*20)

sum=6*(200+220)

sum=6*420

sum=2520

so she would be able to SAVE RS. 2520 in 12 months and therefore will be able to send her daughter to school

Step-by-step EXPLANATION:

MARK ME AS BRAINLIST AND FOLLOW ME

Discussion

33.	Find simple interest on rs. 1200 from jan 1 2006 to 14 March 2006 at 6%per annum
Answer» ANSWER: what is DISPERSION of LIGHT?

33.

Find simple interest on rs. 1200 from jan 1 2006 to 14 March 2006 at 6%per annum

Answer»

ANSWER:

what is DISPERSION of LIGHT?

Discussion

34.	31. Water is flowing at the rate of 2.52 km/h through a cylindrical pipe into a cylindricaltank, the radius of whose base is 40 cm. If the increase in the level of water in the tank,in half an hour is 3.15 m, find the internal diameter of the pipe.
Answer» Answer: INCREASE in the water level in half an hour = 3.15 m = 315 cm Radius of the water tank = 40 cm Volume of the water that FALLS in the tank in half an hour = πr²h = 22/74040315 = 1584000 cu cm Rate of the water FLOW = 2.52 km/hr Length of water column in half an hour = (2.5230)/60 = 1.26 km = 126000 cm Let the internal diameter of the cylindrical pipe be d. Volume of water that FLOWS through the pipe in half an hour = π(d/2)²126000 As we KNOW that, Volume of the water that flows through pipe in half an hour = Volume of water that falls in the cylindrical tank in half an hour ⇒ 22/7(d/2)²126000 = 1584000 ⇒ 22/7d²/4126000 = 1584000 ⇒ d² = 16 ⇒ d = √16 ⇒ d = 4 So, the internal diameter of the pipe is 4 cm

34.

31. Water is flowing at the rate of 2.52 km/h through a cylindrical pipe into a cylindricaltank, the radius of whose base is 40 cm. If the increase in the level of water in the tank,in half an hour is 3.15 m, find the internal diameter of the pipe.

Answer»

Answer:

INCREASE in the water level in half an hour = 3.15 m = 315 cm

Radius of the water tank = 40 cm

Volume of the water that FALLS in the tank in half an hour = πr²h

= 22/7*40*40*315

= 1584000 cu cm

Rate of the water FLOW = 2.52 km/hr

Length of water column in half an hour = (2.52*30)/60

= 1.26 km = 126000 cm

Let the internal diameter of the cylindrical pipe be d.

Volume of water that FLOWS through the pipe in half an hour = π*(d/2)²*126000

As we KNOW that,

Volume of the water that flows through pipe in half an hour = Volume of water that falls in the cylindrical tank in half an hour

⇒ 22/7*(d/2)²*126000 = 1584000

⇒ 22/7*d²/4*126000 = 1584000

⇒ d² = 16

⇒ d = √16

⇒ d = 4

So, the internal diameter of the pipe is 4 cm

Discussion

35.	A man goes 5 metre in East and then 12 in north direction find the distance from the starting point
Answer» Answer: 7 Step-by-step explanation: 5 METRE in EAST =5 12 metre in NORTH =12 distance =12-5=7m

35.

A man goes 5 metre in East and then 12 in north direction find the distance from the starting point

Answer»

Answer:

7

Step-by-step explanation:

5 METRE in EAST =5

12 metre in NORTH =12

distance =12-5=7m

Discussion

36.	Volume of a cylinder whosecircular end has the area 1m² and length of the cylinder is 1m
Answer» VOLUME of CYLINDER = πr²h CSA =2πrh 1=2×22/7×r×1 1×6.28 ×1=r 6.28=r volume=22/7×6.28×6.28×1 =123.94m³

36.

Volume of a cylinder whosecircular end has the area 1m² and length of the cylinder is 1m

Answer»

VOLUME of CYLINDER = πr²h

CSA =2πrh

1=2×22/7×r×1

1×6.28 ×1=r

6.28=r

volume=22/7×6.28×6.28×1

=123.94m³

Discussion

37.	Find the perimeter of the following figure-0.5 cm4 cm IN2.5 cm1 cm4 cmIV/ 25 cm0.5 cm(B) 15 cm?(D) 25 cm?(A) 15 cm(C) 16 cm
Answer» Answer: 25.......................

37.

Find the perimeter of the following figure-0.5 cm4 cm IN2.5 cm1 cm4 cmIV/ 25 cm0.5 cm(B) 15 cm?(D) 25 cm?(A) 15 cm(C) 16 cm

Answer»

Answer:

25.......................

Discussion

38.	A train start from kolkata to burdwan and another train start from burdwan to kolkata.they are bouth riched there destination meet after 4 hours and 9 hours. what is the ratio of force of bouth train?
Answer» ANSWER: HI my name is i don't know May I please answer UR QUESTION and dont MARK me ad brainliest as I am

38.

A train start from kolkata to burdwan and another train start from burdwan to kolkata.they are bouth riched there destination meet after 4 hours and 9 hours. what is the ratio of force of bouth train?

Answer»

ANSWER:

HI my name is i don't know

May I please answer UR QUESTION and dont MARK me ad brainliest as I am

Discussion

39.	a man goes 5 metre in a standard 12 Indore direction find the distance distance from the starting point
Answer» Answer: 12-5 =7mis the DISTANCE from STARTING POINT

39.

a man goes 5 metre in a standard 12 Indore direction find the distance distance from the starting point

Answer»

Answer:

12-5 =7mis the DISTANCE from STARTING POINT

Discussion

40.	the level of the water in the mesauring flask is 450ml.tanaya dropped 5 marbles into the jar.the level of water increased to 600ml.what is the volume of each marbl?
Answer» ANSWER: $600 \div 450 = 1.33$

40.

the level of the water in the mesauring flask is 450ml.tanaya dropped 5 marbles into the jar.the level of water increased to 600ml.what is the volume of each marbl?

Answer»

ANSWER:

$600 \div 450 = 1.33$

Discussion

41.	25. Point P(x, 4) lies on the line segment joining the points A-5, 8) andB(4, -10). Find the ratio in which point P divides the line segment AB.Also find the value of x.na? RA - 100 AH als Fargus Peta
Answer» $\textbf{Given points are}$ $\text{A(-5,8) and B(4,-10)}$ $\text{since A,P and B are collinear, we have}$ $\text{Slope of AP=Slope of BP}$ $\frac{8-4}{-5-x}=\frac{4+10}{x-4}$ $\frac{4}{-5-x}=\frac{14}{x-4}$ $\frac{2}{-5-x}=\frac{7}{x-4}$ $2x-8=-35-7x$ $9x=-27$ $\implies\boxed{\bf\;x=-3}$ $\therefore\text{Point P is (-3,4)}$ $\text{Let the point P divides the line segment joining A and B in the ratio m:n}$ $\text{Then, the coordinates of P is given by}$ $(\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n})$ $(\frac{4m-5n}{m+n},\frac{-10m+8n}{m+n})$ $\text{But,}(\frac{4m-5n}{m+n},\frac{-10m+8n}{m+n})=(-3,4)$ $\implies\frac{4m-5n}{m+n}=-3\;\frac{-10m+8n}{m+n}=4$ $\implies\;7m=2n\;\text{and}\;-14m=-4n$ $\implies\frac{m}{n}=\fra{2}{7}$ $\implies\boxed{\bf\;m:n=2:7}$

41.

25. Point P(x, 4) lies on the line segment joining the points A-5, 8) andB(4, -10). Find the ratio in which point P divides the line segment AB.Also find the value of x.na? RA - 100 AH als Fargus Peta

Answer»

$\textbf{Given points are}$

$\text{A(-5,8) and B(4,-10)}$

$\text{since A,P and B are collinear, we have}$

$\text{Slope of AP=Slope of BP}$

$\frac{8-4}{-5-x}=\frac{4+10}{x-4}$

$\frac{4}{-5-x}=\frac{14}{x-4}$

$\frac{2}{-5-x}=\frac{7}{x-4}$

$2x-8=-35-7x$

$9x=-27$

$\implies\boxed{\bf\;x=-3}$

$\therefore\text{Point P is (-3,4)}$

$\text{Let the point P divides the line segment joining A and B in the ratio m:n}$

$\text{Then, the coordinates of P is given by}$

$(\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n})$

$(\frac{4m-5n}{m+n},\frac{-10m+8n}{m+n})$

$\text{But,}(\frac{4m-5n}{m+n},\frac{-10m+8n}{m+n})=(-3,4)$

$\implies\frac{4m-5n}{m+n}=-3\;\frac{-10m+8n}{m+n}=4$

$\implies\;7m=2n\;\text{and}\;-14m=-4n$

$\implies\frac{m}{n}=\fra{2}{7}$

$\implies\boxed{\bf\;m:n=2:7}$

Discussion

42.	-24. The difference of two rational numbers is-76. If the greater number is , what is thesmaller number?8
Answer» ANSWER: -7 is the CORRECT answer HOPE it HELPS you

42.

-24. The difference of two rational numbers is-76. If the greater number is , what is thesmaller number?8

Answer»

ANSWER:

-7 is the CORRECT answer HOPE it HELPS you

Discussion

43.	Sruti purchased a recliner and dining table set online and applied discount coupons for 15% on the recliner and 10% on the dining table.However due to a program error the discount percentages got interchanged and payment deducted from her wallet accordingly.How much more did Sruti pay considering the dining table costs one-third of the recliner?
Answer» Step-by-step EXPLANATION: SORRY .. .... ....... ....... .....

43.

Sruti purchased a recliner and dining table set online and applied discount coupons for 15% on the recliner and 10% on the dining table.However due to a program error the discount percentages got interchanged and payment deducted from her wallet accordingly.How much more did Sruti pay considering the dining table costs one-third of the recliner?

Answer»

Step-by-step EXPLANATION:

SORRY

..

....

.......

.....

Discussion

44.	If tano = T (Where ® is acute), then find the value of 1+ sineIfts+ sine
Answer» Answer: 1sineht DR ur Step-by-step EXPLANATION: INTOXICATE

44.

If tano = T (Where ® is acute), then find the value of 1+ sineIfts+ sine

Answer»

Answer:

1sineht DR ur

Step-by-step EXPLANATION:

INTOXICATE

Discussion

45.	Padmavati speaks the truth 3 times out of 4 and Vareesha speaks the truth 7 times out of 10. Both of them assert that a white hat has been removed from a basketcontaining hats of 6 different colours.What is the probability of finding the white hat in the basket?
Answer» Answer: 0.475 Step-by-step explanation: PADMAVATI speaks the truth 3 TIMES out of 4 , therefore the PROBABILITY of Padmavati telling the truth is 3/4= 0.75 Vareesha speaks the truth 7 times out of 10. Therefore the probability of Vareesha speaking the truth is 7/10= 0.7 The probability of Padmavati AND Vareesha jointly telling the truth is 0.75 x 0.7 = 0.525 The probability of Padmavati AND Vareesha jointly telling a lie is (1 - 0.75) x (1 - 0.7) = 0.075 To find the white hat in the basket after both assert that it has been removed, it would imply that one of them told a lie. Therefore the probability of finding the white hat in the basket is ( 1 - 0.525 ) = 0.475

45.

Padmavati speaks the truth 3 times out of 4 and Vareesha speaks the truth 7 times out of 10. Both of them assert that a white hat has been removed from a basketcontaining hats of 6 different colours.What is the probability of finding the white hat in the basket?

Answer»

Answer:

0.475

Step-by-step explanation:

PADMAVATI speaks the truth 3 TIMES out of 4 , therefore the PROBABILITY of Padmavati telling the truth is 3/4= 0.75

Vareesha speaks the truth 7 times out of 10. Therefore the probability of Vareesha speaking the truth is 7/10= 0.7

The probability of Padmavati AND Vareesha jointly telling the truth is

0.75 x 0.7 = 0.525

The probability of Padmavati AND Vareesha jointly telling a lie is

(1 - 0.75) x (1 - 0.7) = 0.075

To find the white hat in the basket after both assert that it has been removed, it would imply that one of them told a lie.

Therefore the probability of finding the white hat in the basket is

( 1 - 0.525 ) = 0.475

Discussion

46.	0.6 dm equals to how many cm?
Answer» Step-by-step explanation: 0.6dm = 6 CENTIMETRES....

46.

0.6 dm equals to how many cm?

Answer»

Step-by-step explanation:

0.6dm = 6 CENTIMETRES....

Discussion

47.	Bajaj company produced 3 47 827 pulsor motorcycles in the first three months ofthe year 2012 and 2 48 500 motorcycles in the next three months. What was thetotal production in these six months ?
Answer» BIKE PRODUCED in 6months =bike produced in FIRST 3 months+bike produced in NEXT 3 months =3,47,827+2,48,500 =596327 mark me as brainliest.please

47.

Bajaj company produced 3 47 827 pulsor motorcycles in the first three months ofthe year 2012 and 2 48 500 motorcycles in the next three months. What was thetotal production in these six months ?

Answer»

BIKE PRODUCED in 6months

=bike produced in FIRST 3 months+bike produced in NEXT 3 months

=3,47,827+2,48,500

=596327

mark me as brainliest.please

Discussion

48.	I find the meal of all2) 3x + 4 = 2x² +8 Then find thevalue of 'x'
Answer» Answer: 3X + 4 = 4x + 8 3x - 4x =8 -4 -1X = 4 X = 4+1 X= 5

48.

I find the meal of all2) 3x + 4 = 2x² +8 Then find thevalue of 'x'

Answer»

Answer:

3X + 4 = 4x + 8

3x - 4x =8 -4

-1X = 4

X = 4+1

X= 5

Discussion

49.	Find the area of the circle with the following radii 7/2
Answer» Answer:77/2cm^2 Step-by-step EXPLANATION: RADIUS =7/2 cm Area =πr^2 =(22/7)(7/2)^2 =117/2 =77/2cm^2

49.

Find the area of the circle with the following radii 7/2

Answer»

Answer:77/2cm^2

Step-by-step EXPLANATION:

RADIUS =7/2 cm

Area =πr^2

=(22/7)*(7/2)^2

=11*7/2

=77/2cm^2

Discussion

50.	3.Prove thatCos’a + SiniaCos a + SinaCos® - sinaCosa - sin a= 2
Answer» HOPE U will UNDERSTAND!!

50.

3.Prove thatCos’a + SiniaCos a + SinaCos® - sinaCosa - sin a= 2

Answer»

HOPE U will UNDERSTAND!!

Discussion

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