332354 + Interview Questions in Secondary School in Math

1.	Is the point (0, 2) is a solution of the equation x - 2 Y is equal to 4?
Answer» Answer: No, The statement is False Step-by-step explanation: (0,2) means x=0 y=2 Putting the value in equation x - 2Y = 4 0 - 2(2) =4 -4 ≠ 4 Hence Proved Hope it helps you PLEASE MARK me as brainliest

1.

Is the point (0, 2) is a solution of the equation x - 2 Y is equal to 4?

Answer»

Answer:

No, The statement is False

Step-by-step explanation:

(0,2) means

x=0

y=2

Putting the value in equation

x - 2Y = 4

0 - 2(2) =4

-4 ≠ 4

Hence Proved

Hope it helps you

PLEASE MARK me as brainliest

Discussion

2.	Step by step to solve three equivalent ratios of 12:15
Answer» Step-by-step explanation: 122 = 24 152= 30 15*3= 45

2.

Step by step to solve three equivalent ratios of 12:15

Answer»

Step-by-step explanation:

12*2 = 24

15*2= 30

15*3= 45

Discussion

3.	Prove that on extending equal sides of an isosceles triangle, bisectors of angleswhich are formed below the base form an isosceles triangle.
Answer» ANSWER: If A is greater than B then bisector of B is larger than that of A BCZ larger angle has smaller bisector but since both bisector are equal so this is not possible as bisector are given equal. HENCE side opposite to equal angle are equal so the triangle is isosceles. Hence the triangle is isosceles .

3.

Prove that on extending equal sides of an isosceles triangle, bisectors of angleswhich are formed below the base form an isosceles triangle.

Answer»

ANSWER:

If A is greater than B then bisector of B is larger than that of A BCZ larger angle has smaller bisector but since both bisector are equal so this is not possible as bisector are given equal. HENCE side opposite to equal angle are equal so the triangle is isosceles. Hence the triangle is isosceles .

Discussion

4.	How do I solve this equation using graphical methody=8-x;y=2x-1
Answer» ANSWER: x=3, y=5 Step-by-step EXPLANATION: the EQN. BECOMES x+y=8 2x-y=1 y and -y will CANCEL each other --------- 3x=9 x=3 now x+y=8 3+y=8 y=5

4.

How do I solve this equation using graphical methody=8-x;y=2x-1

Answer»

ANSWER:

x=3, y=5

Step-by-step EXPLANATION:

the EQN. BECOMES

x+y=8

2x-y=1 y and -y will CANCEL each other

---------

3x=9

x=3

now x+y=8

3+y=8

y=5

Discussion

5.	From a pack of cards of 52 find the following probability a) getting a 7
Answer» Step-by-step EXPLANATION: there R FOUR 7's in 52 card 7/52

5.

From a pack of cards of 52 find the following probability a) getting a 7

Answer»

Step-by-step EXPLANATION:

there R FOUR 7's in 52 card

7/52

Discussion

6.	Q14. Amit took a loan of 37,044 from a bank for 18 months to buy a scooter. The bank will chargeinterest @ 10%per annum and it will be compounded half-yearly.Find the amountrepaid by Amit after 18 months.??
Answer» ANSWER: a=i+p a=37044+11113.2 a=48,157.2 Step-by-step EXPLANATION: i=ptr by 100 i=37044310 by 100 i=11113.2

6.

Q14. Amit took a loan of 37,044 from a bank for 18 months to buy a scooter. The bank will chargeinterest @ 10%per annum and it will be compounded half-yearly.Find the amountrepaid by Amit after 18 months.??

Answer»

ANSWER:

a=i+p

a=37044+11113.2

a=48,157.2

Step-by-step EXPLANATION:

i=ptr by 100

i=37044*3*10 by 100

i=11113.2

Discussion

7.	3. Solve the following Linear ProgrammingProblem using the graphical methodMaximise Z = x1- 2x2,subject to constraints-x1, +x2,= 240
Answer» ANSWER: tydmfsnfysmdfmyfjddfhjfdmdfjhfhdm Step-by-step EXPLANATION: FOLLOW me PLEASE

7.

3. Solve the following Linear ProgrammingProblem using the graphical methodMaximise Z = x1- 2x2,subject to constraints-x1, +x2,= 240

Answer»

ANSWER:

tydmfsnfysmdfmyfjddfhjfdmdfjhfhdm

Step-by-step EXPLANATION:

FOLLOW me PLEASE

Discussion

8.	7. Calculate the amount and the compound interest on 16000 for 1 year at 15% per acompounded half-yearly.
Answer» Step-by-step EXPLANATION: L HOPE that it will HELPS you.

8.

7. Calculate the amount and the compound interest on 16000 for 1 year at 15% per acompounded half-yearly.

Answer»

Step-by-step EXPLANATION:

L HOPE that it will HELPS you.

Discussion

9.	Ml 1817By what number. 18) should be divided so that the quotient becomes equal to 6-1?Simplify the following:
Answer» ANSWER: HI how are YOU have a GOOD DAY

9.

Ml 1817By what number. 18) should be divided so that the quotient becomes equal to 6-1?Simplify the following:

Answer»

ANSWER:

HI how are YOU have a GOOD DAY

Discussion

10.	Factorise: x^2-5x-36
Answer» HI ! SOLUTION ;- = x²-5x-36 = x²-9x+4x-36 = X(x-9)+4(x-9) = (x+4)(x-9) Answer '___________________________ Hope it's HELPFUL

10.

Factorise: x^2-5x-36

Answer»

HI !

SOLUTION ;-

= x²-5x-36

= x²-9x+4x-36

= X(x-9)+4(x-9)

= (x+4)(x-9) Answer

'___________________________

Hope it's HELPFUL

Discussion

11.	Please answer this ques I will mark you brainliest
Answer» DEAR MARK it as U ALREADY TAUGHT......... I HOPE U WILL GET THE ANSWER FROM IT...........

11.

Please answer this ques I will mark you brainliest

Answer»

DEAR MARK it as U ALREADY TAUGHT.........

I HOPE U WILL GET THE ANSWER FROM IT...........

Discussion

12.	The measurement of an angle is 48 degree less than the measure of its supplements. Find the measure of the Angle
Answer» ANSWER: an angle measures 48� LESS than the measure of a supplementary angle. What is the measure of each angle? -------- angle: x supplement: 180-x ------ Equation: x = (180-x)-48 x = 132-x 2x = 132 x = 66 degrees 180-x = 114 degrees ======================= Cheers, STAN H. ============ Step-by-step explanation:

12.

The measurement of an angle is 48 degree less than the measure of its supplements. Find the measure of the Angle

Answer»

ANSWER:

an angle measures 48� LESS than the measure of a supplementary angle. What is the measure of each angle?

--------

angle: x

supplement: 180-x

------

Equation:

x = (180-x)-48

x = 132-x

2x = 132

x = 66 degrees

180-x = 114 degrees

=======================

Cheers,

STAN H.

============

Step-by-step explanation:

Discussion

13.	If r is the radius of the base and h be the height of a cylinder then its lateral surface area is___ sq units
Answer» ANSWER: $2\pi \: r h$ unit sq. Step-by-step EXPLANATION: If r is the RADIUS of base and h be the height of a cylinder .. then its lateral SURFACE area is 2pi.r.h sq. unites. thanks!

13.

If r is the radius of the base and h be the height of a cylinder then its lateral surface area is___ sq units

Answer»

ANSWER:

$2\pi \: r h$

unit sq.

Step-by-step EXPLANATION:

If r is the RADIUS of base and h be the height of a cylinder ..

then its lateral SURFACE area is 2pi.r.h sq. unites.

thanks!

Discussion

14.	Pls ... solve fast trigo Q
Answer» Answer: The Cotrect ANSWER If The Above ASKED Question Is Attached.

14.

Pls ... solve fast trigo Q

Answer»

Answer:

The Cotrect ANSWER If The Above ASKED Question Is Attached.

Discussion

15.	Find the value of k, if x + k is the factor of the polynomials:(1) x^3 + Kx^2 - 2x + k + 5(ii) x^4 -k^2x^2 + 3x - 6k
Answer» Step-by-step explanation: the value of K is not POSSIBLE ,because b^2- 4AC is less than 0.

15.

Find the value of k, if x + k is the factor of the polynomials:(1) x^3 + Kx^2 - 2x + k + 5(ii) x^4 -k^2x^2 + 3x - 6k

Answer»

Step-by-step explanation:

the value of K is not POSSIBLE ,because b^2- 4AC is less than 0.

Discussion

16.	. Give three equivalent ratios of 12:15
Answer» ANSWER:MARK AS BRAINLIEST AND FOLLOW ME Step-by-step explanation: 4:5 8:10 16:20 20:25

16.

. Give three equivalent ratios of 12:15

Answer»

ANSWER:MARK AS BRAINLIEST AND FOLLOW ME

Step-by-step explanation:

4:5

8:10

16:20

20:25

Discussion

17.	There was 120 liters of pure milk in a vessel. Some quantity of milk was taken out and replaced with 23 liters of water in such a way that the resultant ratio between the quantities of milk and waterin the mixture was 4:1 respectively.Again 23 liters of the mixture was taken out and replaced with 27 liters of water. What is the respective ratio of milk andwater in the resultant mixture? (A) 58: 37 (B) 116 : 69(C) 69 : 43 (D) 101 : 37(E) 368 : 227
Answer» ANSWER: (E) 368 : 227 Step-by-step EXPLANATION: Explanation in ATTACHMENT.

17.

There was 120 liters of pure milk in a vessel. Some quantity of milk was taken out and replaced with 23 liters of water in such a way that the resultant ratio between the quantities of milk and waterin the mixture was 4:1 respectively.Again 23 liters of the mixture was taken out and replaced with 27 liters of water. What is the respective ratio of milk andwater in the resultant mixture? (A) 58: 37 (B) 116 : 69(C) 69 : 43 (D) 101 : 37(E) 368 : 227

Answer»

ANSWER:

(E) 368 : 227

Step-by-step EXPLANATION:

Explanation in ATTACHMENT.

Discussion

18.	08. ABCD and PQRC are rectangles and Q is the mid-point of AC. Show that P is themid-point of DC and R is the mid-point of BC. Also, find the ratio of ar(ABCD) andPractice Papers / 289ar(PQRC).1.1TD
Answer» ANSWER: your answer is T . . . . . . . . . . . . . . . . . . . . . HOPE IT HELPS YOU PLS MARK ME AS BRAINLIST

18.

08. ABCD and PQRC are rectangles and Q is the mid-point of AC. Show that P is themid-point of DC and R is the mid-point of BC. Also, find the ratio of ar(ABCD) andPractice Papers / 289ar(PQRC).1.1TD

Answer»

ANSWER:

your answer is T

.

HOPE IT HELPS YOU

PLS MARK ME AS BRAINLIST

Discussion

19.	In the diagram CDP is a straightline ,triangleAQDis equilateral triangelLBAR: 90 degrees angleQAR = 135 degrees angleBCD = 106.and angle ABC - 100° Then find angle PDQ ?
Answer» Answer: Sorry answer nahi AA RAHA hai. plz FOLLOW me GUYS

19.

In the diagram CDP is a straightline ,triangleAQDis equilateral triangelLBAR: 90 degrees angleQAR = 135 degrees angleBCD = 106.and angle ABC - 100° Then find angle PDQ ?

Answer»

Answer:

Sorry answer nahi AA RAHA hai.

plz FOLLOW me GUYS

Discussion

20.	From a pack of cards of 52 find the following probability a) getting a red 8
Answer» HEY mate ur answer is ☆Total number of outcomes = 52 => Let event E'getting a red card 8' => No. of geting an event E = 2 p(E) = 2/56 = 1/26

20.

From a pack of cards of 52 find the following probability a) getting a red 8

Answer»

HEY mate ur answer is

☆Total number of outcomes = 52

=> Let event E'getting a red card 8'

=> No. of geting an event E = 2

p(E) = 2/56

= 1/26

Discussion

21.	If sum of roots of 7xsqure + px- q =0,is7 then p =?
Answer» ANSWER: I MUST for the MINUTES I will be BACK

21.

If sum of roots of 7xsqure + px- q =0,is7 then p =?

Answer»

ANSWER:

I MUST for the MINUTES I will be BACK

Discussion

22.	20 m 75 cm and 352 dm from a 250 m long ribbon, what length of the ribbon is left
Answer» Answer: Step-by-step explanation: 250 m 00 CM 00 dm 21 m 10 cm 02 dm 248 m 89 cm08 ans

22.

20 m 75 cm and 352 dm from a 250 m long ribbon, what length of the ribbon is left

Answer»

Answer:

Step-by-step explanation:

250 m 00 CM 00 dm

21 m 10 cm 02 dm

248 m 89 cm08 ans

Discussion

23.	first term of two are equal and ratio 1:2 if 7th tem of 1st ap and 21th term of second ap are 23 and125 find two ap
Answer» ANSWER: FIRST AP is 5,8,11 SECOND ap is 5,11,17

23.

first term of two are equal and ratio 1:2 if 7th tem of 1st ap and 21th term of second ap are 23 and125 find two ap

Answer»

ANSWER:

FIRST AP is 5,8,11 SECOND ap is 5,11,17

Discussion

24.	If a chococalte cost=434 how much if there are548 choclats
Answer» ANSWER: Rs237832 Step-by-step EXPLANATION: MULTIPLY 434×548

24.

If a chococalte cost=434 how much if there are548 choclats

Answer»

ANSWER:

Rs237832

Step-by-step EXPLANATION:

MULTIPLY 434×548

Discussion

25.	40 percent of 60 is greater than 25. percent of 90
Answer» ANSWER: TRUE Step-by-step explanation: 40% of 60 = 40/100 × 60 = 24 25% of 90 = 25/100 × 90 = 22.5 so true

25.

40 percent of 60 is greater than 25. percent of 90

Answer»

ANSWER:

TRUE

Step-by-step explanation:

40% of 60 = 40/100 × 60 = 24

25% of 90 = 25/100 × 90 = 22.5

so true

Discussion

26.	If 2 sides of a triangle are 4cm and 7cm, what are the conditions for its 3rd side
Answer» ANSWER: i) it should be LESS than 11cm ii) it should be GREATER than 3CM

26.

If 2 sides of a triangle are 4cm and 7cm, what are the conditions for its 3rd side

Answer»

ANSWER:

i) it should be LESS than 11cm

ii) it should be GREATER than 3CM

Discussion

27.	3, 4, 7, 2, 7, 6, 7, 9 ka bahulak
Answer» बहुलक का मान 7 है। Step-by-step EXPLANATION: दिया हुआ, 3, 4, 7, 2, 7, 6, 7, 9 नंबर आरोही क्रम में : 2, 3, 4, 6, 7, 7, 7, 9 बहुलक का मान = ? हम जानते हैं कि, बहुलक = सबसे अधिक बार होने वाले अवलोकन का मान ⇒ बहुलक = 7 ( 3 बार) ∴ बहुलक का मान = 7 इसलिये, बहुलक का मान 7 है।

27.

3, 4, 7, 2, 7, 6, 7, 9 ka bahulak

Answer»

बहुलक का मान 7 है।

Step-by-step EXPLANATION:

दिया हुआ,

3, 4, 7, 2, 7, 6, 7, 9

नंबर आरोही क्रम में :

2, 3, 4, 6, 7, 7, 7, 9

बहुलक का मान = ?

हम जानते हैं कि,

बहुलक = सबसे अधिक बार होने वाले अवलोकन का मान

⇒ बहुलक = 7 ( 3 बार)

∴ बहुलक का मान = 7

इसलिये, बहुलक का मान 7 है।

Discussion

28.	The area of two similar triangles r 625 and 225 if 1 side of the first triangle is 9cm. Find the corresponding sides of second triangle
Answer» Step-by-step EXPLANATION: THERES UR ANSWER..✌✌

28.

The area of two similar triangles r 625 and 225 if 1 side of the first triangle is 9cm. Find the corresponding sides of second triangle

Answer»

Step-by-step EXPLANATION:

THERES UR ANSWER..✌✌

Discussion

29.	in figure 5 first find the value of x second angle p o s is equal to dash third are angle POS and angle Q are vertically opposite angle? Justify your answer angle p q is equal to 6 X + 14 find the angle s o r is equal to 2x
Answer» I don't KNOW because it is very hard to find the ANSWER sorry BRO u are freefire PLAYER or not

29.

in figure 5 first find the value of x second angle p o s is equal to dash third are angle POS and angle Q are vertically opposite angle? Justify your answer angle p q is equal to 6 X + 14 find the angle s o r is equal to 2x

Answer»

I don't KNOW because it is very hard to find the ANSWER sorry BRO

u are freefire PLAYER or not

Discussion

30.	Can someone please the question in the picture given?
Answer» ANSWER: don't KNOW about this QUESTION

30.

Can someone please the question in the picture given?

Answer»

ANSWER:

don't KNOW about this QUESTION

Discussion

31.	ABCD is a trapizeum.A=1248cm^2a=16cmh=?
Answer» Step-by-step EXPLANATION: HEIGHT is 78cm h=2×1248÷16+16 =78

31.

ABCD is a trapizeum.A=1248cm^2a=16cmh=?

Answer»

Step-by-step EXPLANATION:

HEIGHT is 78cm

h=2×1248÷16+16

=78

Discussion

32.	I If a and B are the roots of the equation x2-9x + 14 = 0, finda) a² + ß²b) (a-B)2
Answer» ANSWER: a.(a+b)^2-2ab=9×9-2×14 =53 b.(a+b)^2 -4ab=81-4×14 =25

32.

I If a and B are the roots of the equation x2-9x + 14 = 0, finda) a² + ß²b) (a-B)2

Answer»

ANSWER:

a.(a+b)^2-2ab=9×9-2×14

=53

b.(a+b)^2 -4ab=81-4×14

=25

Discussion

33.	2^1/22^-1/216^1/2
Answer» Answer: 3 Step-by-step explanation: 2^1/2 * 2^-1/2 * 16^1/2 2^1/2 * 1/2^1/2 * √4 1^1/2 + √4 √1 + √4 1 + 2 3

33.

2^1/22^-1/216^1/2

Answer»

Answer:

3

Step-by-step explanation:

2^1/2 * 2^-1/2 * 16^1/2

2^1/2 * 1/2^1/2 * √4

1^1/2 + √4

√1 + √4

1 + 2

3

Discussion

34.	Which commerical field is best after 12 for science student
Answer» in which you have INTEREST.. Step-by-step EXPLANATION: you can choose and EVERY field has new, INTERESTING and hardworking.. it's up to you what you want in life..

34.

Which commerical field is best after 12 for science student

Answer»

in which you have INTEREST..

Step-by-step EXPLANATION:

you can choose and EVERY field has new, INTERESTING and hardworking..

it's up to you what you want in life..

Discussion

35.	ABCD is a parallelogram.A=576cm square.b=24mh=?
Answer» Step-by-step explanation: A = b × h 576 CM SQUARE = 2400 cm × h h = 576/2400 h = 0.24 cm h = 0.0024m

35.

ABCD is a parallelogram.A=576cm square.b=24mh=?

Answer»

Step-by-step explanation:

A = b × h

576 CM SQUARE = 2400 cm × h

h = 576/2400

h = 0.24 cm

h = 0.0024m

Discussion

36.	Construct a right angle triangle whose one side is 4 cm and the hypotenuse is 5 cm
Answer» Answer: 3 cm Step-by-step EXPLANATION: PYTHAGORAS THEOREM - 5cm^2 - 4cm^2 = 25cm^2 - 16cm^2 = 9cm^2 => $\sqrt{9}$ = 3CM

36.

Construct a right angle triangle whose one side is 4 cm and the hypotenuse is 5 cm

Answer»

Answer:

3 cm

Step-by-step EXPLANATION:

PYTHAGORAS THEOREM -

5cm^2 - 4cm^2 = 25cm^2 - 16cm^2 = 9cm^2

=> $\sqrt{9}$ = 3CM

Discussion

37.	Each side of a cube is 3 units. it is cut into cubes each of side 1 unit. what is the total surface area of all the smaller cubes thus obtained?please help me I make Brainest
Answer» ANSWER: TSA = 6^2units Step-by-step EXPLANATION: TSA = 6(side)^2 TSA = 6(1)^2 TSA = 6*1 TSA = 6^2units

37.

Each side of a cube is 3 units. it is cut into cubes each of side 1 unit. what is the total surface area of all the smaller cubes thus obtained?please help me I make Brainest

Answer»

ANSWER:

TSA = 6^2units

Step-by-step EXPLANATION:

TSA = 6*(side)^2

TSA = 6*(1)^2

TSA = 6*1

TSA = 6^2units

Discussion

38.	- 23. Find the square root of 9+11+ -7+-1
Answer» ANSWER: -4 Step-by-step EXPLANATION:

38.

- 23. Find the square root of 9+11+ -7+-1

Answer»

ANSWER:

-4

Step-by-step EXPLANATION:

Discussion

39.	If a = 6 and x = 2, find the value of:a + 6x2ax +7x-10 by 4ax-3a-2
Answer» Answer: 1 Step-by-step EXPLANATION: PLZZ MARK it as BRAINLIEST

39.

If a = 6 and x = 2, find the value of:a + 6x2ax +7x-10 by 4ax-3a-2

Answer»

Answer:

1

Step-by-step EXPLANATION:

PLZZ MARK it as BRAINLIEST

Discussion

40.	A chord PQ of a circle with radius 15 cm subtends an angle of 60° with thecentre of the circle. Find the area of the minor as well as the major segment.(n = 3.14, V3 = 1.73)
Answer» ANSWER: Step-by-step EXPLANATION: Area of the minor SECTOR=°/360×2πr =60/360×2×3.14×15 =1/6×2×3.14×15 =15.7 Area of circle =πr² =3.14×15² 706.5 Area of major sector =area of circle -area of minor arc =690.8 Plsss mark as branliest

40.

A chord PQ of a circle with radius 15 cm subtends an angle of 60° with thecentre of the circle. Find the area of the minor as well as the major segment.(n = 3.14, V3 = 1.73)

Answer»

ANSWER:

Step-by-step EXPLANATION:

Area of the minor SECTOR=°/360×2πr

=60/360×2×3.14×15

=1/6×2×3.14×15

=15.7

Area of circle =πr²

=3.14×15²

706.5

Area of major sector =area of circle -area of minor arc

=690.8

Plsss mark as branliest

Discussion

41.	A sum of money plus its 4 years simple interest makes an amount of Rs. 1,000. If the interest isincreased by 20%, then money becomes Rs. 1,040 in the same time. Find out the principaland rate of interest.
Answer» Step-by-step explanation: Let P be prinpical and r be INTEREST rate. After 4 years, Total = P (1 + r×t) 1000 = P (1 + 4r) ...(1) After interest rate is increased by 20 %, Total = P [1 + (r+20r/100)×t] 1040 = P [1 + (r+0.2r)×4] 1040 = P (1 + 4.8r) ...(2) Dividing (2) by (1), 1040/ 1000 = P(1+4.8r) / P(1+4r) 26/25 = (1+4.8r) / (1+4r) 26 (1+4r) = 25 (1+4.8r) 26 + 104r = 25 + 120r 120r - 104r = 26 - 25 16r = 1 r = 1/16 r = 1/16 × 100% r = 6.25 % Now, PRINCIPAL is calculated as - 1000 = P (1 + 4×1/16) 1000 = P (1 + 1/4) 1000 = P × 5/4 P = 1000 × 4/5 P = 800 Rs Thanks dear..

41.

A sum of money plus its 4 years simple interest makes an amount of Rs. 1,000. If the interest isincreased by 20%, then money becomes Rs. 1,040 in the same time. Find out the principaland rate of interest.

Answer»

Step-by-step explanation:

Let P be prinpical and r be INTEREST rate.

After 4 years,

Total = P (1 + r×t)

1000 = P (1 + 4r) ...(1)

After interest rate is increased by 20 %,

Total = P [1 + (r+20r/100)×t]

1040 = P [1 + (r+0.2r)×4]

1040 = P (1 + 4.8r) ...(2)

Dividing (2) by (1),

1040/ 1000 = P(1+4.8r) / P(1+4r)

26/25 = (1+4.8r) / (1+4r)

26 (1+4r) = 25 (1+4.8r)

26 + 104r = 25 + 120r

120r - 104r = 26 - 25

16r = 1

r = 1/16

r = 1/16 × 100%

r = 6.25 %

Now, PRINCIPAL is calculated as -

1000 = P (1 + 4×1/16)

1000 = P (1 + 1/4)

1000 = P × 5/4

P = 1000 × 4/5

P = 800 Rs

Thanks dear..

Discussion

42.	एक स्कूटर पर ₹900 अधिक मिलते हैं जब उसे 3% हानि की जगह 12 परसेंट लाभ पर बेचा जाता है लाभ हानि प्रतिशत क्या होगा यदि उससे ₹7020 में बेचा जाए
Answer» Step-by-step EXPLANATION: Ans X=M+N hsvfajcwt7qccfttyyg1 zS1hgdxtqoih2fcq8gccwgu81hv

42.

एक स्कूटर पर ₹900 अधिक मिलते हैं जब उसे 3% हानि की जगह 12 परसेंट लाभ पर बेचा जाता है लाभ हानि प्रतिशत क्या होगा यदि उससे ₹7020 में बेचा जाए

Answer»

Step-by-step EXPLANATION:

Ans

X=M*+N*

hsvfajcwt7qccfttyyg1 zS1hgdxtqoih2fcq8gccwgu81hv

Discussion

43.	(1+tan thitha+sec thitha) (1+cot thitha-cosec thitha)
Answer» Answer: hi buddy here is your Step-by-step EXPLANATION: Let P be prinpical and r be interest rate. After 4 years, TOTAL = P (1 + r×t) 1000 = P (1 + 4r) ...(1) After interest rate is increased by 20 %, Total = P [1 + (r+20r/100)×t] 1040 = P [1 + (r+0.2r)×4] 1040 = P (1 + 4.8r) ...(2) Dividing (2) by (1), 1040/ 1000 = P(1+4.8r) / P(1+4r) 26/25 = (1+4.8r) / (1+4r) 26 (1+4r) = 25 (1+4.8r) 26 + 104r = 25 + 120r 120r - 104r = 26 - 25 16r = 1 r = 1/16 r = 1/16 × 100% r = 6.25 % Now, PRINCIPAL is calculated as - 1000 = P (1 + 4×1/16) 1000 = P (1 + 1/4) 1000 = P × 5/4 P = 1000 × 4/5 P = 800 Rs Thanks dear..

43.

(1+tan thitha+sec thitha) (1+cot thitha-cosec thitha)

Answer»

Answer:

hi

buddy here is your

Step-by-step EXPLANATION:

Let P be prinpical and r be interest rate.

After 4 years,

TOTAL = P (1 + r×t)

1000 = P (1 + 4r) ...(1)

After interest rate is increased by 20 %,

Total = P [1 + (r+20r/100)×t]

1040 = P [1 + (r+0.2r)×4]

1040 = P (1 + 4.8r) ...(2)

Dividing (2) by (1),

1040/ 1000 = P(1+4.8r) / P(1+4r)

26/25 = (1+4.8r) / (1+4r)

26 (1+4r) = 25 (1+4.8r)

26 + 104r = 25 + 120r

120r - 104r = 26 - 25

16r = 1

r = 1/16

r = 1/16 × 100%

r = 6.25 %

Now, PRINCIPAL is calculated as -

1000 = P (1 + 4×1/16)

1000 = P (1 + 1/4)

1000 = P × 5/4

P = 1000 × 4/5

P = 800 Rs

Thanks dear..

Discussion

44.	If(l-60)m=(b+20)m=(h+25)m=60m,then the area of 4 walls of the room is
Answer» Answer: 11200m² Step-by-step explanation: l - 60 = 60 so l = 60 + 60 = 120 b + 20 = 60 so b = 60 - 20 = 40 h + 25 = 60 so h = 60 - 25 = 35 AREA of 4 walls means LATERAL surface area lsa = 2h(l+b) = 2 × 35 ( 120 + 40) = 70 × 160 = 11200 m²

44.

If(l-60)m=(b+20)m=(h+25)m=60m,then the area of 4 walls of the room is

Answer»

Answer:

11200m²

Step-by-step explanation:

l - 60 = 60 so l = 60 + 60 = 120

b + 20 = 60 so b = 60 - 20 = 40

h + 25 = 60 so h = 60 - 25 = 35

AREA of 4 walls means LATERAL surface area

lsa = 2h(l+b)

= 2 × 35 ( 120 + 40)

= 70 × 160

= 11200 m²

Discussion

45.	Cpct full form in hindi
Answer» Step-by-step EXPLANATION: SORRY i don't KNOW the ANSWER

45.

Cpct full form in hindi

Answer»

Step-by-step EXPLANATION:

SORRY i don't KNOW the ANSWER

Discussion

46.	Sum of 7consecutive odd number is539
Answer» Step-by-step EXPLANATION: x+x+2+x+4+x+6+x+8+x+10+x+12=539 7x+42=539 7x=497 x=71

46.

Sum of 7consecutive odd number is539

Answer»

Step-by-step EXPLANATION:

x+x+2+x+4+x+6+x+8+x+10+x+12=539

7x+42=539

7x=497

x=71

Discussion

47.	La) List all numbers between 100 & 300 that give remainderdivided by 8 & by 10
Answer» ANSWER: HOPE it helps mark as a BRAINLIST answer PLEASE.

47.

La) List all numbers between 100 & 300 that give remainderdivided by 8 & by 10

Answer»

ANSWER:

HOPE it helps

mark as a BRAINLIST answer PLEASE.

Discussion

48.	A rectangular plot of land length 200m and breadth170m. Mrs ammena wants to build a garden with two roads crossing each other with 4m wide. Find the area of the path
Answer» ANSWER: PERMITER of RECTANGULAR 2xl+b 200+170 360x2 722 AREA of rectangular lengthxbreadth 200x170 3400 answer

48.

A rectangular plot of land length 200m and breadth170m. Mrs ammena wants to build a garden with two roads crossing each other with 4m wide. Find the area of the path

Answer»

ANSWER:

PERMITER of RECTANGULAR 2xl+b

200+170

360x2

722

AREA of rectangular lengthxbreadth

200x170

3400 answer

Discussion

49.	Prove that diagonals of a parallelogram divides it in four equal parts of area.....Plzzzz solve it....
Answer» Answer: Step-by-step EXPLANATION: Since, in \|\|gm, we know that diagonals BISECT each other. Therefore, the HALF PART of diagonals is equal, Then you can SOLVE it by congruence of triangle

49.

Prove that diagonals of a parallelogram divides it in four equal parts of area.....Plzzzz solve it....

Answer»

Answer:

Step-by-step EXPLANATION:

Since, in ||gm, we know that diagonals BISECT each other.

Therefore, the HALF PART of diagonals is equal,

Then you can SOLVE it by congruence of triangle

Discussion

50.	12. Find the perimeter of a triangle whoselength of sides are 6 cm, 4 cm and 8 cm,respectively
Answer» Answer:18 Step-by-step EXPLANATION:PERIMETER of a triangle= 6+4+8=18 Plssssss MARK BRAINLIEST

50.

12. Find the perimeter of a triangle whoselength of sides are 6 cm, 4 cm and 8 cm,respectively

Answer»

Answer:18

Step-by-step EXPLANATION:PERIMETER of a triangle=

6+4+8=18

Plssssss MARK BRAINLIEST

Discussion

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Step-by-step explanation:

(0,2) means

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