Questions by Arun

0 votes

0 answers

The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `76x^3yz^3 -:

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Perform the following divisions: `(– qrxy + pryz – rxyz) -: (–

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Factorise the expressions and divide them as directed: `(x^3 + x^2 – 132x) -: x (x –

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Factorise the expressions and divide them as directed: `(2x^3 – 12x^2 + 16x) -: (x – 2) (x –

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Factorise the expressions and divide them as directed: `(9x^2 – 4) -: (3x +

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The area of a square is given by `4x^2 + 12xy + 9y^2`. Find the side of the

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The curved surface area of a cylinder is `2pi (y^2 – 7y + 12)` and its radius is (y – 3). Find the height of the cylinder (C.S.A. of cylinder

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The cost of a chocolate is Rs (x + y) and Rohit bought (x + y) chocolates. Find the total amount paid by him in terms of x. If x = 10, find the amount paid by

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Verify the following: `(7p – 13q)^2 + 364pq = (7p +

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Verify the following:

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Match the expressions of column I with that of column II: Column I Column II (1) `(21x + 13y)^2` (a) `441x^2 – 169y^2` (2) `(21x – 13y)^2` (b) `441x^2 + 169y^2 + 546xy` (3) `(21x – 13y) (21x + 13y)` (c) `441x^2 + 169y^2 – 546xy` (d) `441x^2 – 169y^2 + 546xy`

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The human body has about 100 billion cells. This number can be written in exponential form

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The distance between earth and sun is 150 million kilometres which can be written in exponential form as

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

`(–10) xx (–10) xx (–10) xx (–10) =

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The value of `(–2)^(2xx3–1)`

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

If x be any non-zero integer and m, n be negative integers, then `xm xx xn` is equal

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The usual form of `2.39461 xx 10^6` is

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The value of `[3^(–1) xx 4^(–1)]^2` is

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The multiplicative inverse of `(3/2)^2` is not equal to

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

asked Jan 17, 2022 in 8th-maths

Page:

« prev
1
...
13
14
15
16
17
18
19
...
43
next »