332354 + Interview Questions in Secondary School in Math

1.	The median of first 8 prime numbers is
Answer» Answer: Here is your answer dude Step-by-step explanation: The first 8 prime numbers are: 2 3 5 7 11 13 17 and 19 . =>9. Therefore the MEDIAN is 9. please MARK my answer as brainlistthanks

1.

The median of first 8 prime numbers is

Answer»

Answer:

Here is your answer dude

Step-by-step explanation:

The first 8 prime numbers are: 2 3 5 7 11 13 17 and 19 . =>9. Therefore the MEDIAN is 9.

please MARK my answer as brainlistthanks

Discussion

2.	Find the locus of the point x=a + b sec teta, y =b a tan teta
Answer» HSHS 22 574 Step-by-step EXPLANATION: hau did diemsj3u3737bh 33

2.

Find the locus of the point x=a + b sec teta, y =b a tan teta

Answer»

HSHS 22 574

Step-by-step EXPLANATION:

hau

did

diemsj3u3737bh 33

Discussion

3.	Rational numbers are in the form
Answer» Rational NUMBERS are in the form of p/q where q is not EQUAL to 0

3.

Rational numbers are in the form

Answer»

Rational NUMBERS are in the form of p/q where q is not EQUAL to 0

Discussion

4.	If side of square wall is 2m and 6m find its area and perimeter?
Answer» HEY CHECK your QUESTION there is a square but your GIVEN SIDES are another another ??? side of square are equal

4.

If side of square wall is 2m and 6m find its area and perimeter?

Answer»

HEY CHECK your QUESTION there is a square

but your GIVEN SIDES are another another ???

side of square are equal

Discussion

5.	A park, in the shape of a quadrilateralABCD, has angle C=90°, AB=9m, BC=12m, CD=5m and AD=8m.How much area doesIt occupy?
Answer» $\huge\boxed{\underline{\mathcal{\red{A}\green{N}\pink{S}\orange{W}\blue{E}\pink{R}}}}$ HOPE it HELPS you.... ✌✌

5.

A park, in the shape of a quadrilateralABCD, has angle C=90°, AB=9m, BC=12m, CD=5m and AD=8m.How much area doesIt occupy?

Answer»

$\huge\boxed{\underline{\mathcal{\red{A}\green{N}\pink{S}\orange{W}\blue{E}\pink{R}}}}$

HOPE it HELPS you.... ✌✌

Discussion

6.	Write the additve inverse of -3/7
Answer» Step-by-step EXPLANATION: ADDITIVE INVERSE of (-3/7) = 3/7 because -3/7 + 3/7 = 0

6.

Write the additve inverse of -3/7

Answer»

Step-by-step EXPLANATION:

ADDITIVE INVERSE of (-3/7)

= 3/7

because -3/7 + 3/7 = 0

Discussion

7.	In the interest is compounded half yearly find the amount of Rs.5000 at 10%p.a for 2years.
Answer» ANSWER: THANKS w Step-by-step EXPLANATION: tcguvbjn jknk

7.

In the interest is compounded half yearly find the amount of Rs.5000 at 10%p.a for 2years.

Answer»

ANSWER:

THANKS w

Step-by-step EXPLANATION:

tcguvbjn jknk

Discussion

8.	By Remainder Theorem,find the remainder when p(y)=4y3-12y2+5y-4 is divided by g(y)=2y-1pls explain step by step
Answer» Answer: so the remainder is 4 Step-by-step explanation: SEE PICTURE above

8.

By Remainder Theorem,find the remainder when p(y)=4y3-12y2+5y-4 is divided by g(y)=2y-1pls explain step by step

Answer»

Answer:

so the remainder is 4

Step-by-step explanation:

SEE PICTURE above

Discussion

9.	the total salary of Gaurav and azam in company is Rs 47520. if the salary of Gaurav increased by 23% and azam 30%. then their total salary would increase to Rs. 59928. find the difference between their salary?
Answer» ANSWER:- Difference b/w their salary = Rs.5,280 $\rule{200}{1}$ Explanation:- Given:- • Total salary of GAURAV & Azam is Rs.47520 • If salary of Gaurav increased by 23% and of Azam increased by 30% ,total salary = Rs.59928 To find:- • Difference between their salary = ? Solution:- Let the salary of Gaurav be Rs.M & salary of Azam be Rs.N CASE 1:- ⇒ M + N = 47520 ⇒ M = 47520 - N _____(Eq.1) Case 2:- ⇒(M + 23% of M) + (N + 30% of N) =59928 ⇒ (M + 23M/100) + (N + 30N/100) = 59928 ⇒ (123M)/100 + (130N)/100 = 59928 ⇒ (123M + 130N)/100 = 59928 ⇒ 123M + 130N = 5992800 ⇒ 123(47520 - N) + 130N = 5992800 [∵ From (Eq.1) : M = 47520 - N ] ⇒ 5844960 - 123N + 130N = 5992800 ⇒ 7N = 5992800 - 5844960 ⇒ 7N = 147840 ⇒ N = 147840/7 ⇒ N = 21,120 So, salary of Azam = Rs.21,120 . PUT this value in (Eq.1) ⇒ M = 47520 - 21120 ⇒ M = 26,400 So, salary of Gaurav = Rs.26,400 . ★ Difference b/w their salary:- ⇒ Difference = 26,400 - 21,120 ⇒ Difference = Rs.5,280 Therefore, $\therefore\underline{\textsf{Difference b/w their salary = {\textbf{Rs.5,280 }}}}$

9.

the total salary of Gaurav and azam in company is Rs 47520. if the salary of Gaurav increased by 23% and azam 30%. then their total salary would increase to Rs. 59928. find the difference between their salary?

Answer»

ANSWER:-

Difference b/w their salary = Rs.5,280

$\rule{200}{1}$

Explanation:-

Given:-

• Total salary of GAURAV & Azam is Rs.47520

• If salary of Gaurav increased by 23% and of Azam increased by 30% ,total salary = Rs.59928

To find:-

• Difference between their salary = ?

Solution:-

Let the salary of Gaurav be Rs.M & salary of Azam be Rs.N

CASE 1:-

⇒ M + N = 47520

⇒ M = 47520 - N _____(Eq.1)

Case 2:-

⇒(M + 23% of M) + (N + 30% of N) =59928

⇒ (M + 23M/100) + (N + 30N/100) = 59928

⇒ (123M)/100 + (130N)/100 = 59928

⇒ (123M + 130N)/100 = 59928

⇒ 123M + 130N = 5992800

⇒ 123(47520 - N) + 130N = 5992800

[∵ From (Eq.1) : M = 47520 - N ]

⇒ 5844960 - 123N + 130N = 5992800

⇒ 7N = 5992800 - 5844960

⇒ 7N = 147840

⇒ N = 147840/7

⇒ N = 21,120

So, salary of Azam = Rs.21,120 .

PUT this value in (Eq.1)

⇒ M = 47520 - 21120

⇒ M = 26,400

So, salary of Gaurav = Rs.26,400 .

★ Difference b/w their salary:-

⇒ Difference = 26,400 - 21,120

⇒ Difference = Rs.5,280

Therefore,

$\therefore\underline{\textsf{Difference b/w their salary = {\textbf{Rs.5,280 }}}}$

Discussion

10.	Percentage of the covid 19 cases of all States to the Total cases in India
Answer» Step-by-step EXPLANATION: Maharashtra-5218 Gujarat-2178 delhi-2156

10.

Percentage of the covid 19 cases of all States to the Total cases in India

Answer»

Step-by-step EXPLANATION:

Maharashtra-5218

Gujarat-2178

delhi-2156

Discussion

11.	2 cubes each of 64 cm² are joined end to end. Find the surface of the resulting cuboid.Pls do if you know otherwise don't do it
Answer» AREA of cube=6edge^2. (let edge=side be'X') therefore, 64=6x^2 x^2=64/6 x=✓32/3 now when CUBES are joined side to side it becomes cuboid with following dimensions L=2✓32/3 B=✓32/3 H=✓32/3 Now surface are of this figure=2(LB+LH+BH) now put the values and SOLVE it hope this helps you

11.

2 cubes each of 64 cm² are joined end to end. Find the surface of the resulting cuboid.Pls do if you know otherwise don't do it

Answer»

AREA of cube=6edge^2. (let edge=side be'X')

therefore, 64=6x^2

x^2=64/6

x=✓32/3

now when CUBES are joined side to side

it becomes cuboid with following dimensions

L=2✓32/3

B=✓32/3

H=✓32/3

Now surface are of this figure=2(LB+LH+BH)

now put the values and SOLVE it

hope this helps you

Discussion

12.	Namw the property for which (3/4+1/3) +5/8=1/3+(3/4+5/8)
Answer» *ANSWER* is 0 *because* 3/4+ 1/3+5/8= 1/3+3/4+5/8 CUT to each other so 0 was answer**

12.

Namw the property for which (3/4+1/3) +5/8=1/3+(3/4+5/8)

Answer»

ANSWER is 0 because 3/4+ 1/3+5/8= 1/3+3/4+5/8 CUT to each other so 0 was *answer***

Discussion

13.	If side of square wall is 2m find its area and perimeter?
Answer» Is lockdown me kahan PADHI HO RAHI hai ???

13.

If side of square wall is 2m find its area and perimeter?

Answer»

Is lockdown me kahan PADHI HO RAHI hai ???

Discussion

14.	Please solve.............4th Question
Answer» Answer: 13.6 BILLION PEOPLE AVERAGE

14.

Please solve.............4th Question

Answer»

Answer:

13.6 BILLION PEOPLE AVERAGE

Discussion

15.	Which is the greatest rational number out of 5/-11,-5/12,5/-17
Answer» Answer: 5/-11 Hope it HELPS you like my answer MARK me the BRAINLIEST and FOLLOW me

15.

Which is the greatest rational number out of 5/-11,-5/12,5/-17

Answer»

Answer:

5/-11

Hope it HELPS you like my answer MARK me the BRAINLIEST and FOLLOW me

Discussion

16.	the median of the of the following observations,arranged in ascending order is 15.10,12,14,x-3,x+2,25 find x.
Answer» ANSWER: MEDIAN =(3rd+4th)/2 =(14+x-3)/2=(x+11)/2 x+11/2=15 x+11=30 x=19

16.

the median of the of the following observations,arranged in ascending order is 15.10,12,14,x-3,x+2,25 find x.

Answer»

ANSWER:

MEDIAN =(3rd+4th)/2

=(14+x-3)/2=(x+11)/2

x+11/2=15

x+11=30

x=19

Discussion

17.	Subtract - 3/5 from 9/10
Answer» HERE'S YOUR ANSWER $\frac{9}{10} - ( - \frac{ 3}{5} ) = \frac{9}{10} + \frac{3}{5} \\ = \frac{9 + 6}{10} = \frac{15}{10} \\ = \frac{3}{2}$ HOPE IT HELPS

17.

Subtract - 3/5 from 9/10

Answer»

HERE'S YOUR ANSWER

$\frac{9}{10} - ( - \frac{ 3}{5} ) = \frac{9}{10} + \frac{3}{5} \\ = \frac{9 + 6}{10} = \frac{15}{10} \\ = \frac{3}{2}$

HOPE IT HELPS

Discussion

18.	3.Let A= {1,2,3,4,5) write the elements by using symbol 'belongs to
Answer» Step-by-step explanation: 1€A 2€A 3€A 4€A 5€A Hope it HELPS you ❣️❣️❣️

18.

3.Let A= {1,2,3,4,5) write the elements by using symbol 'belongs to

Answer»

Step-by-step explanation:

1€A
2€A
3€A
4€A
5€A

Hope it HELPS you ❣️❣️❣️

Discussion

19.	Of both10. The number 1 is neither_nor_
Answer» ANSWER: EVEN nor ODD this is a NATURAL NUMBER

19.

Of both10. The number 1 is neither_nor_

Answer»

ANSWER:

EVEN nor ODD this is a NATURAL NUMBER

Discussion

20.	Answer this question, part 2
Answer» Answer: to factorise, 100 - 9x² = 10² - ( 3X)² = ( 10 + 3x)( 10 - 3x) this is the answer. Step-by-step EXPLANATION: FORMULA used: a² - b². = ( a + B)(a - b).

20.

Answer this question, part 2

Answer»

Answer:

to factorise,

100 - 9x²

= 10² - ( 3X)²

= ( 10 + 3x)( 10 - 3x)

this is the answer.

Step-by-step EXPLANATION:

FORMULA used: a² - b². = ( a + B)(a - b).

Discussion

21.	Find 3 rational numbers between -2/3 and 1/3
Answer» Answer: -20/30 , -19/30 , -18/30 Step-by-step explanation: first MULTIPLE by 10 both in numerator and denominator then you will FIND more rational NUMBERS ## GIVE me more questions to e

21.

Find 3 rational numbers between -2/3 and 1/3

Answer»

Answer:

-20/30 , -19/30 , -18/30

Step-by-step explanation:

first MULTIPLE by 10 both in numerator and denominator

then you will FIND more rational NUMBERS

## GIVE me more questions to e

Discussion

22.	Value of sin square 90+cos square 0
Answer» Step-by-step EXPLANATION: Sin²90 + Cos²0 (1)² + (1)² 1 + 1 = 2

22.

Value of sin square 90+cos square 0

Answer»

Step-by-step EXPLANATION:

Sin²90 + Cos²0

(1)² + (1)²

1 + 1

= 2

Discussion

23.	The sum of interior angles of hexagon is
Answer» Answer: 720° Step-by-step explanation: No .of SIDES in a hexagon = 6(N) Sum of interior ANGLES = (2N - 4) × 90° = 2×6 - 4 × 90° = 720°

23.

The sum of interior angles of hexagon is

Answer»

Answer:

720°

Step-by-step explanation:

No .of SIDES in a hexagon = 6(N)

Sum of interior ANGLES = (2N - 4) × 90°

= 2×6 - 4 × 90°

= 720°

Discussion

24.	Find the smallest square number that is divisible by each of the numbers 10, 12 and 18.
Answer» LCM of 10,12 and 18 is 180; 180=6×6×5; so we need to MULTIPLY 5 to make it a perfect SQUARE, 180×5=900; Hence the no. is 900. PLEASE mark the answer as brainliest.

Discussion

25.	Solve the 4th one using mathematical induction
Answer» We have, $\displaystyle\longrightarrow\sf{P(<klux>N</klux>):(\cos\theta+i\sin\theta)^n=\cos(n\theta)+i\sin(n\theta)\quad \forall n\in\mathbb{N}}$ CONSIDER P(1). $\displaystyle\longrightarrow\sf{(\cos\theta+i\sin\theta)^1=\cos(1\cdot\theta)+i\sin(1\cdot\theta)}$ $\displaystyle\longrightarrow\sf{\cos\theta+i\sin\theta=\cos\theta+i\sin\theta}$ We see P(1) is TRUE. Hence ASSUME that P(k) is true. $\displaystyle\longrightarrow\sf{P(k):(\cos\theta+i\sin\theta)^k=\cos(k\theta)+i\sin(k\theta)\quad \forall k\in\mathbb{N}}$ Consider P(k + 1). $\displaystyle\longrightarrow\sf{P(k+1):(\cos\theta+i\sin\theta)^{k+1}=\cos((k+1)\theta)+i\sin((k+1)\theta)\quad \forall k\in\mathbb{N}}$ Let's check whether P(k + 1) is true. $\displaystyle\longrightarrow\sf{LHS}$ $\displaystyle\longrightarrow\sf{(\cos\theta+i\sin\theta)^{k+1}}$ As $\sf{a^{m+n}=a^m\cdot a^n,}$ $\displaystyle\longrightarrow\sf{(\cos\theta+i\sin\theta)^k\cdot(\cos\theta+i\sin\theta)}$ By P(k), $\displaystyle\longrightarrow\sf{(\cos(k\theta)+i\sin(k\theta))\,(\cos\theta+i\sin\theta)}$ $\displaystyle\longrightarrow\sf{\cos(k\theta)\cos\theta+i\sin\theta\cos(k\theta)+i\sin(k\theta)\cos\theta-\sin(k\theta)\sin\theta}$ $\displaystyle\longrightarrow\sf{[\cos(k\theta)\cos\theta-\sin(k\theta)\sin\theta]+i[\,\sin\theta\cos(k\theta)+\cos\theta\sin(k\theta)\,]}$ As $\sf{\cos A\cos B-\sin A\sin B=\cos(A+B)}$ and $\sf{\sin A\cos B+\cos A\sin B=\sin(A+B),}$ $\displaystyle\longrightarrow\sf{\cos(k\theta+\theta)+i\sin(k\theta+\theta)}$ $\displaystyle\longrightarrow\sf{\cos((k+1)\theta)+i\sin((k+1)\theta)}$ $\displaystyle\longrightarrow\sf{RHS}$ Hence P(k + 1) is true whenever P(k) is true. THEREFORE P(n) is true $\sf{\forall n\in\mathbb{N}.}$ Hence Proved!

25.

Solve the 4th one using mathematical induction

Answer»

We have,

$\displaystyle\longrightarrow\sf{P(<klux>N</klux>):(\cos\theta+i\sin\theta)^n=\cos(n\theta)+i\sin(n\theta)\quad \forall n\in\mathbb{N}}$

CONSIDER P(1).

$\displaystyle\longrightarrow\sf{(\cos\theta+i\sin\theta)^1=\cos(1\cdot\theta)+i\sin(1\cdot\theta)}$

$\displaystyle\longrightarrow\sf{\cos\theta+i\sin\theta=\cos\theta+i\sin\theta}$

We see P(1) is TRUE. Hence ASSUME that P(k) is true.

$\displaystyle\longrightarrow\sf{P(k):(\cos\theta+i\sin\theta)^k=\cos(k\theta)+i\sin(k\theta)\quad \forall k\in\mathbb{N}}$

Consider P(k + 1).

$\displaystyle\longrightarrow\sf{P(k+1):(\cos\theta+i\sin\theta)^{k+1}=\cos((k+1)\theta)+i\sin((k+1)\theta)\quad \forall k\in\mathbb{N}}$

Let's check whether P(k + 1) is true.

$\displaystyle\longrightarrow\sf{LHS}$

$\displaystyle\longrightarrow\sf{(\cos\theta+i\sin\theta)^{k+1}}$

As $\sf{a^{m+n}=a^m\cdot a^n,}$

$\displaystyle\longrightarrow\sf{(\cos\theta+i\sin\theta)^k\cdot(\cos\theta+i\sin\theta)}$

By P(k),

$\displaystyle\longrightarrow\sf{(\cos(k\theta)+i\sin(k\theta))\,(\cos\theta+i\sin\theta)}$

$\displaystyle\longrightarrow\sf{\cos(k\theta)\cos\theta+i\sin\theta\cos(k\theta)+i\sin(k\theta)\cos\theta-\sin(k\theta)\sin\theta}$

$\displaystyle\longrightarrow\sf{[\cos(k\theta)\cos\theta-\sin(k\theta)\sin\theta]+i[\,\sin\theta\cos(k\theta)+\cos\theta\sin(k\theta)\,]}$

As $\sf{\cos A\cos B-\sin A\sin B=\cos(A+B)}$ and $\sf{\sin A\cos B+\cos A\sin B=\sin(A+B),}$

$\displaystyle\longrightarrow\sf{\cos(k\theta+\theta)+i\sin(k\theta+\theta)}$

$\displaystyle\longrightarrow\sf{\cos((k+1)\theta)+i\sin((k+1)\theta)}$

$\displaystyle\longrightarrow\sf{RHS}$

Hence P(k + 1) is true whenever P(k) is true.

THEREFORE P(n) is true $\sf{\forall n\in\mathbb{N}.}$

Hence Proved!

Discussion

26.	For first correct answer i will mark as brainliestplss answer
Answer» ANSWER: HOPE IT HELPS REFER TO THE ATTACHMENT

26.

For first correct answer i will mark as brainliestplss answer

Answer»

ANSWER:

HOPE IT HELPS

REFER TO THE ATTACHMENT

Discussion

27.	The end point of a diameter of a circle is (5, 7) and centre is (3, 2) then other end pointof diameter.
Answer» HOPE this helps you Mark as Brainliest ANSWER PLEASE

27.

The end point of a diameter of a circle is (5, 7) and centre is (3, 2) then other end pointof diameter.

Answer»

HOPE this helps you

Mark as Brainliest ANSWER PLEASE

Discussion

28.	A square has all its edges lengths increased by 3 cm this makes a new square with twice the area of the old one what was the area of the old square
Answer» your ANSWER is that both of them will same

Discussion

29.	Find the area of a circle whose diameter is 7cm
Answer» radius=d/2 = 3.5 cm area = pi×r²=pi×12.25=38.5 sq.cm hope it HELPS

29.

Find the area of a circle whose diameter is 7cm

Answer»

radius=d/2 = 3.5 cm

area = pi×r²=pi×12.25=38.5 sq.cm

hope it HELPS

Discussion

30.	What should be added to - 5/8 so as to get 5/9
Answer» ANSWER: 1 should be ADDED to GET the answer

30.

What should be added to - 5/8 so as to get 5/9

Answer»

ANSWER:

1 should be ADDED to GET the answer

Discussion

31.	R^2=A^2+A^2+2A^2cosx\|A\|=\|B\|Find R
Answer» ANSWER: WRITE PROPERLY I cannot UNDERSTAND. so you have to write in other WAY

31.

R^2=A^2+A^2+2A^2cosx|A|=|B|Find R

Answer»

ANSWER:

WRITE PROPERLY I cannot UNDERSTAND. so you have to write in other WAY

Discussion

32.	Verify the property a×(b×c)=(a×b)×c for each of the following :a)a=3/4;b=2/13;c=1/2
Answer» ANSWER: ASSOCIATIVE property of Multiplication is USED in this QUESTION

32.

Verify the property a×(b×c)=(a×b)×c for each of the following :a)a=3/4;b=2/13;c=1/2

Answer»

ANSWER:

ASSOCIATIVE property of Multiplication is USED in this QUESTION

Discussion

33.	2.5 ( bar in 5 ) into rational number
Answer» ANSWER: no this is not RATIONAL NUMBER

33.

2.5 ( bar in 5 ) into rational number

Answer»

ANSWER:

no this is not RATIONAL NUMBER

Discussion

34.	The absolute value of both -234 and 234 is _______
Answer» ANSWER: it is same and is EQUAL to 234

34.

The absolute value of both -234 and 234 is _______

Answer»

ANSWER:

it is same and is EQUAL to 234

Discussion

35.	Find least square number which is divisible by each of number 7,8,9
Answer» (789)^2 is the ANSWER hope it HELPS

35.

Find least square number which is divisible by each of number 7,8,9

Answer»

(7*8*9)^2 is the ANSWER

hope it HELPS

Discussion

36.	Evaluate60 - (-20)- (+10)(- 15)+ 12- 9 + 1
Answer» ANSWER: i THINK it is CORRECT answer

36.

Evaluate60 - (-20)- (+10)(- 15)+ 12- 9 + 1

Answer»

ANSWER:

i THINK it is CORRECT answer

Discussion

37.	Find rational numbers between 2.1 and 2.2
Answer» 2.1/1×4/4 =8.4 (because 4 is RATIONAL no.) 2.2/1×4/4= 8.8 then 8.4and 8.8 between THREE no. 8.5/4,8.6/4,8.7/4

37.

Find rational numbers between 2.1 and 2.2

Answer»

2.1/1×4/4 =8.4 (because 4 is RATIONAL no.)

2.2/1×4/4= 8.8

then 8.4and 8.8 between THREE no.

8.5/4,8.6/4,8.7/4

Discussion

38.	If 42 x 5 is a multiple of 15 and X is a digit then find the value of x
Answer» Answer: hey MATE......... your answer is 42 X 5 15x5 hope U like it

38.

If 42 x 5 is a multiple of 15 and X is a digit then find the value of x

Answer»

Answer:

hey MATE.........

your answer is

42 X 5 15x5

hope U like it

Discussion

39.	List any three difference and Similarities between Trapezium and Parallelogram
Answer» Answer: heya mate ❤❤ similarity ❤❤ a) Opposite sides are equal and parallel. (B) Opposite angles are equal. (c) DIAGONALS BISECT each other. disimalirity ❤❤ Difference: A trapezium is a QUADRILATERAL is that has at least ONE pair of parallel sides. The figure is more commonly known as a trapezoid. A parallelogram is a quadrilateral that has two pairs of parallel sides. hope it's help u ❤❤ mark as brainlist❤❤

39.

List any three difference and Similarities between Trapezium and Parallelogram

Answer»

Answer:

heya mate ❤❤

similarity ❤❤

a) Opposite sides are equal and parallel.

(B) Opposite angles are equal.

(c) DIAGONALS BISECT each other.

disimalirity ❤❤

Difference: A trapezium is a QUADRILATERAL is that has at least ONE pair of parallel sides. The figure is more commonly known as a trapezoid. A parallelogram is a quadrilateral that has two pairs of parallel sides.

hope it's help u ❤❤

mark as brainlist❤❤

Discussion

40.	What is the answer of simplify 3-(5-6+4) answer
Answer» ANSWER: answer - 2 Step-by-step explanation: 1)SOLVE BRACKET 2)6+4-5-3

40.

What is the answer of simplify 3-(5-6+4) answer

Answer»

ANSWER:

answer - 2

Step-by-step explanation:

1)SOLVE BRACKET

2)6+4-5-3

Discussion

41.	4/7 + -8/9 + -5/21 + 1/3
Answer» 4/7 + -8/9 + -5/21 + 1/3 = - 0.16 $= \frac{4}{7} + \frac{ - 8}{9} + \frac{ - 5}{21} + \frac{1}{3} \\ = 0.57 + ( - 0.8) + ( - 0.23) + 0.3 \\ = 0.57 - 0.8 - 0.23 + 0.3 \\ = - 0.8 - 0.23 + 0.57 + 0.3 \\ = - 1.03 + 0.83 \\ = - 0.16$

41.

4/7 + -8/9 + -5/21 + 1/3

Answer»

4/7 + -8/9 + -5/21 + 1/3 = - 0.16

$= \frac{4}{7} + \frac{ - 8}{9} + \frac{ - 5}{21} + \frac{1}{3} \\ = 0.57 + ( - 0.8) + ( - 0.23) + 0.3 \\ = 0.57 - 0.8 - 0.23 + 0.3 \\ = - 0.8 - 0.23 + 0.57 + 0.3 \\ = - 1.03 + 0.83 \\ = - 0.16$

Discussion

42.	Find the HCF andLCM of 510 and 92 and verify that LCM×HCF=product of two numbers
Answer» ANSWER: LCM= 23460, HCF= 2 Step-by-step explanation: 510= 2×3×5×17 92=2×2×23 LCM= 2×2×3×5×17×23= 23460 HCF= 2 LCM×HCF= 23460×2= 46920 PRODUCT OF NUMERATORS= 510×92= 46920 therefore LCM×HCF= product of these two nos

42.

Find the HCF andLCM of 510 and 92 and verify that LCM×HCF=product of two numbers

Answer»

ANSWER:

LCM= 23460, HCF= 2

Step-by-step explanation:

510= 2×3×5×17

92=2×2×23

LCM= 2×2×3×5×17×23= 23460

HCF= 2

LCM×HCF= 23460×2= 46920

PRODUCT OF NUMERATORS= 510×92= 46920

therefore LCM×HCF= product of these two nos

Discussion

43.	A number is such that is as much greater than 45 as it is less than 75. Find their present ages
Answer» Answer: Step-by-step EXPLANATION: the NUMBER is 75-15 which is equal to 60 or you can ADD 45+15 . So you can do any one 75-15 or 45+15 the answer you get will be the same. Therefore,the number is 75-15 which is equal to 60 or you can add 45+15 . Hope this will be helpful to you and please mark my answer as the BRAINLEAST answer.plz plz plz..........

43.

A number is such that is as much greater than 45 as it is less than 75. Find their present ages

Answer»

Answer:

Step-by-step EXPLANATION:

the NUMBER is 75-15 which is equal to 60 or you can ADD 45+15 . So you can do any one 75-15 or 45+15 the answer you get will be the same. Therefore,the number is 75-15 which is equal to 60 or you can add 45+15 .

Hope this will be helpful to you and please mark my answer as the BRAINLEAST answer.plz plz plz..........

Discussion

44.	Which of the following pollynomial
Answer» A/M correct question :- Which of the following are POLYNOMIALS? i. x^{3} + \sqrt{3} x + 4 ii. 5x^{3} - 4X +\sqrt{7} iii. 5x^{3} + \frac{2}{x^{2} } + 1 Answer ! 1)it is not a polynomial (2) it is not a polynomial (3) it is a polynomial a polynomial doesn't contain a square root hope it HELPS

44.

Which of the following pollynomial

Answer»

A/M

correct question :- Which of the following are POLYNOMIALS?

i. x^{3} + \sqrt{3} x + 4

ii. 5x^{3} - 4X +\sqrt{7}

iii. 5x^{3} + \frac{2}{x^{2} } + 1

Answer !

1)it is not a polynomial

(2) it is not a polynomial

(3) it is a polynomial

a polynomial doesn't contain a square root

hope it HELPS

Discussion

45.	Write the additve inverse of 13/19
Answer» $additive \: inverse \: of \: \frac{13}{19} \: is \: \frac{ - 13}{19}$ *HOPE* *ITS* *HELPS* U... *PLZ* *MARKS* AS *BRAINLIEST*..

45.

Write the additve inverse of 13/19

Answer»

$additive \: inverse \: of \: \frac{13}{19} \: is \: \frac{ - 13}{19}$

HOPE ITS HELPS U...

PLZ MARKS AS BRAINLIEST..

Discussion

46.	A bag contain a red ball, a black ball, a green ball. A student takes out a ball from bag find the probability that he takes out :-(i) yellow ball(ii) green ballThis is the question10th class
Answer» YELLOW BALL =1/4 green ball=1/4

46.

A bag contain a red ball, a black ball, a green ball. A student takes out a ball from bag find the probability that he takes out :-(i) yellow ball(ii) green ballThis is the question10th class

Answer»

YELLOW BALL =1/4

green ball=1/4

Discussion

47.	1 .root2/root82. 5root2/root53. 5/3root74. 4/2root25. 4/6root76. 5/3root87. 7/9root3 answer them
Answer» ANSWER: Dhdjfowjvbnakxkwnf be hwhd Step-by-step EXPLANATION:

47.

1 .root2/root82. 5root2/root53. 5/3root74. 4/2root25. 4/6root76. 5/3root87. 7/9root3 answer them

Answer»

ANSWER:

Dhdjfowjvbnakxkwnf be hwhd

Step-by-step EXPLANATION:

Discussion

48.	I will mark as brainlist who will give answer with explanation.
Answer» Hey mate, 27x³ + 125y³ (3X)³ + (5y)³ (3x+5y){(3x)²-(3x)(5y)+(5y)²} (3x+5y)(9x²-15xy+25y²) (3x+5y)(3x-5y)(3x-5y) Mark kr DENA brainliest.. SATH mein FOLLOW BHI kr dena..

48.

I will mark as brainlist who will give answer with explanation.

Answer»

Hey mate,

27x³ + 125y³

(3X)³ + (5y)³

(3x+5y){(3x)²-(3x)(5y)+(5y)²}

(3x+5y)(9x²-15xy+25y²)

(3x+5y)(3x-5y)(3x-5y)

Mark kr DENA brainliest.. SATH mein FOLLOW BHI kr dena..

Discussion

49.	III. Convert (12), Into binary.
Answer» TWELVE TOMES 1 is RIGHT ANSWET

49.

III. Convert (12), Into binary.

Answer»

TWELVE TOMES 1 is RIGHT ANSWET

Discussion

50.	If x + 2, 2x + 5 and 4x + 8 are in A.P., then find the value of x.
Answer» ANSWER: x=0 Step-by-step EXPLANATION: in AP, (2x+5)-(x+2)=(4x+8)-(2x+5) x+3=2x+3 x=0

50.

If x + 2, 2x + 5 and 4x + 8 are in A.P., then find the value of x.

Answer»

ANSWER:

x=0

Step-by-step EXPLANATION:

in AP,

(2x+5)-(x+2)=(4x+8)-(2x+5)

x+3=2x+3

x=0

Discussion

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