332354 + Interview Questions in Secondary School in Math

1.	if the first term of an ap is -5 and the common difference is 2, then find the sum of the first six terms
Answer» Step-by-step EXPLANATION: a=-5 d=2 n=6 Sn=? Sn=n/2[2A+(n-1)d] Sn=6/2[2-5+(6-1)2] Sn=3[-10+52] Sn=3[-10+10] Sn=3*0 Sn=0

1.

if the first term of an ap is -5 and the common difference is 2, then find the sum of the first six terms

Answer»

Step-by-step EXPLANATION:

a=-5

d=2

n=6

Sn=?

Sn=n/2[2A+(n-1)d]

Sn=6/2[2*-5+(6-1)2]

Sn=3[-10+5*2]

Sn=3[-10+10]

Sn=3*0

Sn=0

Discussion

2.	ളു എങ്കൽ - 2 ത്തിയാൽറa . ( ഈ നോട്ട ഏത് വകു കിയാൽ ഇത് 6 കിട്ടും
Answer» ANSWER: $The average temperature of the sea is about 2°C. The average surface temperature is about 17°C.$

2.

ളു എങ്കൽ - 2 ത്തിയാൽറa . ( ഈ നോട്ട ഏത് വകു കിയാൽ ഇത് 6 കിട്ടും

Answer»

ANSWER:

$The average temperature of the sea is about 2°C. The average surface temperature is about 17°C.$

Discussion

3.	If the area of the parallelogram is 126 sq cm and the base is 9 cm,then its corresponding height is
Answer» Answer: In parallelogram ABCD, CD = AB = 16 cm [Opposite sides of a parallelogram are equal] We KNOW that AREA of a parallelogram = Base × Corresponding altitude Area of parallelogram ABCD = CD × AE = AD × CF 16 cm × 8 cm = AD × 10 cm AD=16×8/10 CM = 12.8 cm

3.

If the area of the parallelogram is 126 sq cm and the base is 9 cm,then its corresponding height is

Answer»

Answer:

In parallelogram ABCD, CD = AB = 16 cm

[Opposite sides of a parallelogram are equal]

We KNOW that

AREA of a parallelogram = Base × Corresponding altitude

Area of parallelogram ABCD = CD × AE = AD × CF

16 cm × 8 cm = AD × 10 cm

AD=16×8/10 CM = 12.8 cm

Discussion

4.	What is photosynthesis? -_-
Answer» ANSWER: the process by which green plants and some other organisms use SUNLIGHT to synthesize nutrients from carbon dioxide and water. PHOTOSYNTHESIS in plants generally INVOLVES the green pigment CHLOROPHYLL and generates oxygen as a by-product.

4.

What is photosynthesis? -_-

Answer»

ANSWER:

the process by which green plants and some other organisms use SUNLIGHT to synthesize nutrients from carbon dioxide and water. PHOTOSYNTHESIS in plants generally INVOLVES the green pigment CHLOROPHYLL and generates oxygen as a by-product.

Discussion

5.	B. What was the difference in the routines of the two brothers?
Answer» *The elder brother USED to spend MUCH time on study and he was a hardworking learner. But the YOUNGER brother spent his whole day on extracurricular activity, and spent LESS time on study.* *Hope it helps u mate ❣️*

5.

B. What was the difference in the routines of the two brothers?

Answer»

The elder brother USED to spend MUCH time on study and he was a hardworking learner. But the YOUNGER brother spent his whole day on extracurricular activity, and spent LESS time on study.

Hope it helps u mate ❣️

Discussion

6.	(f) (5a + 2b)(5a –2b)(25a– 462)
Answer» ANSWER: $(5 + a) {4}^{0} \times 2 + 313131 \times \div {2}^{7 = 777777777}$

6.

(f) (5a + 2b)(5a –2b)(25a– 462)

Answer»

ANSWER:

$(5 + a) {4}^{0} \times 2 + 313131 \times \div {2}^{7 = 777777777}$

Discussion

7.	.The 3/4th part of a conicalvessel of internal radius 5 cmand height 24 cm is full of water.The wateris emptied into acylindrical vessel with internalradius 10 cm. Find the height ofwater in cylindrical vessel.
Answer» ANSWER: i have made a new intro so plz check out the shower and GET a chance to get a polygon

7.

.The 3/4th part of a conicalvessel of internal radius 5 cmand height 24 cm is full of water.The wateris emptied into acylindrical vessel with internalradius 10 cm. Find the height ofwater in cylindrical vessel.

Answer»

ANSWER:

i have made a new intro so plz check out the shower and GET a chance to get a polygon

Discussion

8.	Write the equation of line parallel tothe X-axis distances of 5 units from it andbelow the x axis
Answer» Step-by-step explanation: the EXPRESSION for the POSITION can be (-X,-5) where x can be ANYTHING negative or positive. and y is -5

8.

Write the equation of line parallel tothe X-axis distances of 5 units from it andbelow the x axis

Answer»

Step-by-step explanation:

the EXPRESSION for the POSITION can be

(-X,-5)

where x can be ANYTHING negative or positive. and y is -5

Discussion

9.	A+b+c=10,a²+b²+c²=22 हो तो ab+bc+ca का मान क्या होगा solve step by sstep
Answer» ANSWER: ab+bc+ca = 39 Step-by-step explanation: a+b+c = 10 => (a+b+c)² = 100 => a²+b²+c²+2ab+2bc+2ca = 100 => 22+2(ab+bc+ca) = 100 => 2(ab+bc+ca) = 100-22 => 2(ab+bc+ca) = 78 => ab+bc+ca = 78/2 => ab+bc+ca = 39 using FORMULA : (x+y+z)² = x²+y²+z²+2xy+2yz+2zx

9.

A+b+c=10,a²+b²+c²=22 हो तो ab+bc+ca का मान क्या होगा solve step by sstep

Answer»

ANSWER:

ab+bc+ca = 39

Step-by-step explanation:

a+b+c = 10

=> (a+b+c)² = 100

=> a²+b²+c²+2ab+2bc+2ca = 100

=> 22+2(ab+bc+ca) = 100

=> 2(ab+bc+ca) = 100-22

=> 2(ab+bc+ca) = 78

=> ab+bc+ca = 78/2

=> ab+bc+ca = 39

using FORMULA :

(x+y+z)² = x²+y²+z²+2xy+2yz+2zx

Discussion

10.	Two angles of a triangle are of measures 65 and 45.Find the measures of thethird angle,a)70 b) 80 c ) 60 d )50
Answer» ANSWER: 70 HOPE it is RIGHT answer MARK me as BRAINILIST

10.

Two angles of a triangle are of measures 65 and 45.Find the measures of thethird angle,a)70 b) 80 c ) 60 d )50

Answer»

ANSWER:

70

HOPE it is RIGHT answer

MARK me as BRAINILIST

Discussion

11.	لif cos A = -24/25 and cosB = 3/5 A is in thirdquadrant and B is in fourth quadrantfind sin (A+B).
Answer» ANSWER: PLEASE MAKE me BRAINLIST

11.

لif cos A = -24/25 and cosB = 3/5 A is in thirdquadrant and B is in fourth quadrantfind sin (A+B).

Answer»

ANSWER:

PLEASE MAKE me BRAINLIST

Discussion

12.	The cost of a land piece increased by 4000000 to 4600000 find the increased percent
Answer» ACTUAL LAND = 40,00,000 increased land AREA = 4600000 increased ONE = 46,00,000-40,00,000=6,00,000 increased percentage=6,00,000/40,00,000×100= 0.15×100=15%

12.

The cost of a land piece increased by 4000000 to 4600000 find the increased percent

Answer»

ACTUAL LAND = 40,00,000

increased land AREA = 4600000

increased ONE = 46,00,000-40,00,000=6,00,000

increased percentage=6,00,000/40,00,000×100=

0.15×100=15%

Discussion

13.	54mcube+18m square-27m+5 ÷m-3
Answer» Answer: Claim Review : (1) Italy went against the WHO, saying no autopsies on COVID-19 casualties (2) Italy has apparently discovered that the microorganism which causes COVID-19 is a BACTERIA and not a Virus. This bacteria is responsible for clotting blood and hindering the transport of oxygen THROUGHOUT the body. (3) Italy STARTED using 100mg of Aspirin for treating COVID-19 patients (4) The causal organism worsens with 5G electronic radiation Claimed By : Social Media POSTS Fact Check : Misleading https://thelogicalindian.com/fact-check/italy-covid-19-coronavirus-bacteria-aspirin-21655

13.

54mcube+18m square-27m+5 ÷m-3

Answer»

Answer:

Claim Review : (1) Italy went against the WHO, saying no autopsies on COVID-19 casualties (2) Italy has apparently discovered that the microorganism which causes COVID-19 is a BACTERIA and not a Virus. This bacteria is responsible for clotting blood and hindering the transport of oxygen THROUGHOUT the body. (3) Italy STARTED using 100mg of Aspirin for treating COVID-19 patients (4) The causal organism worsens with 5G electronic radiation Claimed By : Social Media POSTS Fact Check : Misleading

https://thelogicalindian.com/fact-check/italy-covid-19-coronavirus-bacteria-aspirin-21655

Discussion

14.	The decimal representation of 27/2²5³will terminate after how many decimal places
Answer» ANSWER: Answer 2 2 ×5 31 = 20 31 =1.55 So, DECIMAL expansion TERMINATES after two decimal places Step-by-step EXPLANATION: pls mark me brainlist pls

14.

The decimal representation of 27/2²5³will terminate after how many decimal places

Answer»

ANSWER:

Answer

2

×5

31

=

20

31

=1.55

So, DECIMAL expansion TERMINATES after two decimal places

Step-by-step EXPLANATION:

pls mark me brainlist pls

Discussion

15.	8100ka wargmul kya hoga
Answer» 90 is the CORRECT ANSWER

15.

8100ka wargmul kya hoga

Answer»

90 is the CORRECT ANSWER

Discussion

16.	A woman is 5 times as old as her son. After 5 years , she will be 3 times as old as her son. What is the present age of mother ?
Answer» Step-by-step EXPLANATION: presently, SON = x mother = 5X After five years Son = x+5 mother = 5x+5 i.e., x+5 = 5x + 5 x = 5x + 5 / 5 x = x + 5 I'm sorry I tried my best

16.

A woman is 5 times as old as her son. After 5 years , she will be 3 times as old as her son. What is the present age of mother ?

Answer»

Step-by-step EXPLANATION:

presently,

SON = x

mother = 5X

After five years

Son = x+5

mother = 5x+5

i.e., x+5 = 5x + 5

x = 5x + 5 / 5

x = x + 5

I'm sorry I tried my best

Discussion

17.	If cos A = sin/2sinC, then ΔABC is(a) Equilateral(b) Isosceles(c) Right angled(d) None of these
Answer» Answer: ❀ʀᴇǫᴜɪʀᴇᴅ ᴀɴsᴡᴇʀ: Because of the lack of GROUPING symbols, there are THREE questions here, all starting “What s the triangle ABC is” cosB=sinA2sinC or cosB=sinA2sinC or cosB=sinA2sinC The FIRST two are unlikely to be finished since they depend on R. So we consider the last which becomes 2cosB=ac⇒a2+c2−b2ac=ac⇒b=c. So the triangle is isosceles. so,the answer is (b) Isosceles $\sf\blue{hope \: this \: helps \: you!! \: }$

17.

If cos A = sin/2sinC, then ΔABC is(a) Equilateral(b) Isosceles(c) Right angled(d) None of these

Answer»

Answer:

❀ʀᴇǫᴜɪʀᴇᴅ ᴀɴsᴡᴇʀ:

Because of the lack of GROUPING symbols, there are THREE questions here, all starting “What s the triangle ABC is”

cosB=sinA2sinC or cosB=sinA2sinC or cosB=sinA2sinC

The FIRST two are unlikely to be finished since they depend on R. So we consider the last which becomes

2cosB=ac⇒a2+c2−b2ac=ac⇒b=c.

So the triangle is isosceles.

so,the answer is (b) Isosceles

$\sf\blue{hope \: this \: helps \: you!! \: }$

Discussion

18.	7If p(x) = 2x^3– 5x^2 – 14x + 8 and its two zeroes are 4 and – 2, then the third zerois3(A)1/2(B)3/2(C) 2(D) - 6
Answer» I THINK the ANSWER is A friend

18.

7If p(x) = 2x^3– 5x^2 – 14x + 8 and its two zeroes are 4 and – 2, then the third zerois3(A)1/2(B)3/2(C) 2(D) - 6

Answer»

I THINK the ANSWER is A

friend

Discussion

19.	Ans the following
Answer» ANSWER: oud9ydyisyix Step-by-step EXPLANATION: oygizoydoyxigditzugzutxut&5ztiw57ayo

19.

Ans the following

Answer»

ANSWER:

oud9ydyisyix

Step-by-step EXPLANATION:

oygizoydoyxigditzugzutxut&5ztiw57ayo

Discussion

20.	Find the missing Number?7 4 =153 9 =5412 5 =?
Answer» ANSWER: 10500 OK the answer on the

20.

Find the missing Number?7 4 =153 9 =5412 5 =?

Answer»

ANSWER:

10500 OK the answer on the

Discussion

21.	0.574(there is bar on 74)+0.27(there is bar on 27)what will be ans
Answer» Answer: 74.27 Step-by-step EXPLANATION: The ANS is: 74.27

21.

0.574(there is bar on 74)+0.27(there is bar on 27)what will be ans

Answer»

Answer:

74.27

Step-by-step EXPLANATION:

The ANS is: 74.27

Discussion

22.	The general solution of sin = 0 is(a) nπ where n is a real number(b) nπ, where n is an integer(c) 2π(d) π
Answer» $\implies$ we know that if sin X = 0, then x = 0, π, 2π, π, -2π, -6π, ETC. are SOLUTIONS of the given EQUATION. Hence, the general solution for sin x = 0 will be, x = nπ, where n∈I.

22.

The general solution of sin = 0 is(a) nπ where n is a real number(b) nπ, where n is an integer(c) 2π(d) π

Answer»

$\implies$

we know that if sin X = 0, then x = 0, π, 2π, π, -2π, -6π, ETC.
are SOLUTIONS of the given EQUATION.
Hence, the general solution for sin x = 0 will be, x = nπ, where n∈I.

Discussion

23.	What is the value of 7x - (5x-3)- 7x +2 if x =3please answer it os really important ....
Answer» Answer: 7X - (5x-3)- 7x +2 =7×3-(5×3-3)-7×3+2 =21-(15-3)-21+2 =21-12-21+2 =21-12-19 =-9-19 =-28

23.

What is the value of 7x - (5x-3)- 7x +2 if x =3please answer it os really important ....

Answer»

Answer:

7X - (5x-3)- 7x +2

=7×3-(5×3-3)-7×3+2

=21-(15-3)-21+2

=21-12-21+2

=21-12-19

=-9-19

=-28

Discussion

24.	If the median AD of a triangle ABC divides the angle ∠BAC in the ratio 1 : 2, then sinB/sinC is equal to(a) 2 cos (A/3)(b) (1/2) sec (A/3)(c) (1/2) sin (A/3)(d) 2 cosec (A/3)
Answer» ANSWER: (d) 2 cosec (A/3) Step-by-step EXPLANATION: HOPE it helps you

24.

If the median AD of a triangle ABC divides the angle ∠BAC in the ratio 1 : 2, then sinB/sinC is equal to(a) 2 cos (A/3)(b) (1/2) sec (A/3)(c) (1/2) sin (A/3)(d) 2 cosec (A/3)

Answer»

ANSWER:

(d) 2 cosec (A/3)

Step-by-step EXPLANATION:

HOPE it helps you

Discussion

25.	Arrange the following ratios in descending oder... 2:4, 5:3, 9:2, 4:7
Answer» PLEASE FOLLOW NE then i gollow you OK

Discussion

26.	Sheema is making a mocktail for a party. She wants to mix apple juice and orange juicein the ratio of 4: 7. If Sheema wants to make 22 litres of mocktail, how much apple juicewill she need 2(1) 8 litres(2) 14 litres (3) 11 litres CAT 7 litres
Answer» ANSWER: hhhhhhhhhhhhhbgf Step-by-step EXPLANATION:

26.

Sheema is making a mocktail for a party. She wants to mix apple juice and orange juicein the ratio of 4: 7. If Sheema wants to make 22 litres of mocktail, how much apple juicewill she need 2(1) 8 litres(2) 14 litres (3) 11 litres CAT 7 litres

Answer»

ANSWER:

hhhhhhhhhhhhhbgf

Step-by-step EXPLANATION:

Discussion

27.	Value of tan 1° * tan 2° * tan 3° * .... * tan 89° is
Answer» Step-by-step EXPLANATION: HOPE it HELPS you Thanks

27.

Value of tan 1° * tan 2° * tan 3° * .... * tan 89° is

Answer»

Step-by-step EXPLANATION:

HOPE it HELPS you

Thanks

Discussion

28.	The sum of two numbers is 407. If the cube root of one of the two numbers is 4, find the cube root of theother.
Answer» Answer: 7 Step-by-step EXPLANATION:

28.

The sum of two numbers is 407. If the cube root of one of the two numbers is 4, find the cube root of theother.

Answer»

Answer:

7

Step-by-step EXPLANATION:

Discussion

29.	Perimeter of a rectangular field is 1280m. The ratio between its side is 3:4 . Find its length.
Answer» Correct QUESTION:- Perimeter of a rectangular field is 1280 m. The ratio between its side is 3:2. FIND its length. ⠀ Given:- Perimeter of a rectangular field is 1280 m. The ratio between its side is 3:2. ⠀ To find:- Find its length. ⠀ Solution:- Let, the length be 3x. the breadth be 2x. ⠀ → Perimeter = 2(length + breadth) → 2(l + b) = 1280 → 2(3x + 2x) = 1280 → 2(5x) = 1280 → 5x = 1280/2 → 5x = 640 → X = 640/5 → x = 128 Therefore, Length = 3x = 3× 128 = 384 m Breadth = 2x = 2×128 = 256 m

29.

Perimeter of a rectangular field is 1280m. The ratio between its side is 3:4 . Find its length.

Answer»

Correct QUESTION:-

Perimeter of a rectangular field is 1280 m. The ratio between its side is 3:2. FIND its length.

⠀

Given:-

Perimeter of a rectangular field is 1280 m.
The ratio between its side is 3:2.

⠀

To find:-

Find its length.

⠀

Solution:-

Let,

the length be 3x.
the breadth be 2x.

⠀

→ Perimeter = 2(length + breadth)

→ 2(l + b) = 1280

→ 2(3x + 2x) = 1280

→ 2(5x) = 1280

→ 5x = 1280/2

→ 5x = 640

→ X = 640/5

→ x = 128

Therefore,

Length = 3x = 3× 128 = 384 m
Breadth = 2x = 2×128 = 256 m

Discussion

30.	A cube + 8 - 3 a square minus 3
Answer» $a {3}^{} + 8 - 3a {}^{2} - 3$

30.

A cube + 8 - 3 a square minus 3

Answer»

$a {3}^{} + 8 - 3a {}^{2} - 3$

Discussion

31.	Write the statement For each of the equations given below x+1/3=3
Answer» Answer: 8 over 3 Step-by-step EXPLANATION:

31.

Write the statement For each of the equations given below x+1/3=3

Answer»

Answer:

8 over 3

Step-by-step EXPLANATION:

Discussion

32.	Complet the tables using the given formula y= 3×-2
Answer» ANSWER: PLEASE MARK as BRILLIANT

32.

Complet the tables using the given formula y= 3×-2

Answer»

ANSWER:

PLEASE MARK as BRILLIANT

Discussion

33.	Mr. Luis earned PHP 450 from driving a taxi. He gave 500 to his wife. How much money had he left?
Answer» ANSWER: mnmmmmmmmmmmmmmmmmmmmmmmm Step-by-step EXPLANATION:

33.

Mr. Luis earned PHP 450 from driving a taxi. He gave 500 to his wife. How much money had he left?

Answer»

ANSWER:

mnmmmmmmmmmmmmmmmmmmmmmmm

Step-by-step EXPLANATION:

Discussion

34.	Solve the system of linear equations. Check your solution.y = –2x – 8y = mc003-1.jpgx + 4
Answer» ANSWER: G KO bulane to do that but I'm SURE you

34.

Solve the system of linear equations. Check your solution.y = –2x – 8y = mc003-1.jpgx + 4

Answer»

ANSWER:

G KO bulane to do that but I'm SURE you

Discussion

35.	Find the total number of even 4 digit palindromes
Answer» Answer: 2 Answers. There are 90 four-digit palindromes from 1001;1111;1221;1331;... to 9669;9779;9889;9999. Because (12;15;18;21;...;93;96;99) are DIVISIBLE by 3 and this set has (99−12)÷3+1=30 numbers, there will be 30 palindromes satisfy the task.

35.

Find the total number of even 4 digit palindromes

Answer»

Answer:

2 Answers. There are 90 four-digit palindromes from 1001;1111;1221;1331;... to 9669;9779;9889;9999. Because (12;15;18;21;...;93;96;99) are DIVISIBLE by 3 and this set has (99−12)÷3+1=30 numbers, there will be 30 palindromes satisfy the task.

Discussion

36.	The value of (5⁰+3⁰)×3-¹ is
Answer» Step-by-step EXPLANATION: can U WRITE the QUESTION PROPERLY

36.

The value of (5⁰+3⁰)×3-¹ is

Answer»

Step-by-step EXPLANATION:

can U WRITE the QUESTION PROPERLY

Discussion

37.	While working out, Heather took 36 breaths in 60 seconds. At this rate, about how many breaths would she take in 10 seconds?
Answer» Answer: 6 BREATHES Step-by-step EXPLANATION: no. of breathes = (10×36)/60 = 360/60 = 6

37.

While working out, Heather took 36 breaths in 60 seconds. At this rate, about how many breaths would she take in 10 seconds?

Answer»

Answer:

6 BREATHES

Step-by-step EXPLANATION:

no. of breathes = (10×36)/60

= 360/60

= 6

Discussion

38.	(29×(-2))+(21×(-2)) identity
Answer» $= > ((29 \times ( - 2) )+ (21 \times ( - 2)))$ $= > ( (- 2)(29 + 21))$ $= > ( ( - 2)(50))$ $= > ( - 100)$ $= > - 100$ HOPE this ANSWER HELPS you ^_^ !

38.

(29×(-2))+(21×(-2)) identity

Answer»

$= > ((29 \times ( - 2) )+ (21 \times ( - 2)))$

$= > ( (- 2)(29 + 21))$

$= > ( ( - 2)(50))$

$= > ( - 100)$

$= > - 100$

HOPE this ANSWER HELPS you ^_^ !

Discussion

39.	Write five hundreds and four tenths in decimals
Answer» you SUCK you DONT EVEN KNOW that?

Discussion

40.	What is the remainder when 757575 is divided by 4?
Answer» Ans is 15 TAKE HCF to 75 and 90 75=(5)(5)(3) 90 = (5)(3)(3)(2) Hcf = 15

Discussion

41.	Π kis prakar ki sankhya hai
Answer» ANSWER: PIE = 3.14 Step-by-step explanation: HOPE IT HELPS YOU PLZ MARK ME AS BRIANLIEST PLZ

41.

Π kis prakar ki sankhya hai

Answer»

ANSWER:

PIE = 3.14

Step-by-step explanation:

HOPE IT HELPS YOU

PLZ MARK ME AS BRIANLIEST PLZ

Discussion

42.	What is an equation for 'a number more than four times of it is 11
Answer» ANSWER: x+4x=11 Step-by-step explanation: if LIKED answer PLEASE mark as brainliest

42.

What is an equation for 'a number more than four times of it is 11

Answer»

ANSWER:

x+4x=11

Step-by-step explanation:

if LIKED answer PLEASE mark as brainliest

Discussion

43.	The train starts at 5:45 a.m. and reaches the next station at 9:20 a.m. what is the time taken by that time to reach the next station
Answer» Answer: 3 HRS 35 mins Step-by-step explanation: ending time - STARTING time = DURATION 9 20 - 5 45 = duration = 3 hrs 35 mins

43.

The train starts at 5:45 a.m. and reaches the next station at 9:20 a.m. what is the time taken by that time to reach the next station

Answer»

Answer:

3 HRS 35 mins

Step-by-step explanation:

ending time - STARTING time = DURATION

9 20 - 5 45 = duration

= 3 hrs 35 mins

Discussion

44.	Two numbers have a product of 676 and quotient of 4
Answer» Answer: +- 13 Step-by-step explanation: LET the numbers be a and b. then, a X b = 676 => a = 676/b and, a/b = 4 => a = 4b => 676/b = 4b => $b^{2}$ = 676/4 => $b^{2}$ = 169 => b = +- $\sqrt{169}$ => b = +- 13

44.

Two numbers have a product of 676 and quotient of 4

Answer»

Answer:

+- 13

Step-by-step explanation:

LET the numbers be a and b.

then, a X b = 676

=> a = 676/b

and, a/b = 4

=> a = 4b

=> 676/b = 4b

=> $b^{2}$ = 676/4

=> $b^{2}$ = 169

=> b = +- $\sqrt{169}$

=> b = +- 13

Discussion

45.	Factorize by grouping the terms : (1-b 2 )c-(c^2 -1)b
Answer» ANSWER: okkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkk

45.

Factorize by grouping the terms : (1-b 2 )c-(c^2 -1)b

Answer»

ANSWER:

okkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkk

Discussion

46.	The length of a rectangle is triple its breadth
Answer» ANSWER: 100 × 30= 300 is the answer

46.

The length of a rectangle is triple its breadth

Answer»

ANSWER:

100 × 30= 300 is the answer

Discussion

47.	16. Find the value of x in 6:3:: X14.
Answer» Answer: 28 Step-by-step explanation: 6to 3 and 28 to 14 is the CORRECT FORM

47.

16. Find the value of x in 6:3:: X14.

Answer»

Answer:

28

Step-by-step explanation:

6to 3 and 28 to 14 is the CORRECT FORM

Discussion

48.	(x+1)/3 = (x-6)/2 , then find the value of x .
Answer» Answer: 20 Step-by-step EXPLANATION: EQUATE the FOLLOWING EXPRESSION

48.

(x+1)/3 = (x-6)/2 , then find the value of x .

Answer»

Answer:

20

Step-by-step EXPLANATION:

EQUATE the FOLLOWING EXPRESSION

Discussion

49.	What is the value of tan 3θ ? if tan θ = 1/2(a) 1/5(b) -11/2(c) -1/5(d) 11/2
Answer» ANSWER: here is UR answer Step-by-step EXPLANATION: HOPE it HELPS u

49.

What is the value of tan 3θ ? if tan θ = 1/2(a) 1/5(b) -11/2(c) -1/5(d) 11/2

Answer»

ANSWER:

here is UR answer

Step-by-step EXPLANATION:

HOPE it HELPS u

Discussion

50.	8% of 8 is :(1) 32 paise(2) 1 paisaB 64 paise(4) 72 paise
Answer» 8% of ₹8 -: 8/100 × 8 = 64/100 = 0.64 ₹ or 64 paise *Answer is (3) 64 PAISE* Hope it helps. PLEASE mark as the brainliest.

50.

8% of 8 is :(1) 32 paise(2) 1 paisaB 64 paise(4) 72 paise

Answer»

8% of ₹8 -:

8/100 × 8

= 64/100

= 0.64 ₹ or 64 paise

Answer is (3) 64 PAISE

Hope it helps. PLEASE mark as the brainliest.

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