ICSE ICSE Class 8 - CISCE Question Bank Solutions

In square PQRS :
(i) if PQ = 3x – 7 and QR = x + 3 ; find PS
(ii) if PR = 5x and QS = 9x – 8. Find QS

Expand : (2a + b)³

Expand : (a − 2b)³

Expand : (3x − 2y)³

Expand : (x + 5y)³

Expand : `("a"+1/"a")^3`

Expand : `(2"a"-1/(2"a"))^3`

Find the cube of: a + 2

Find the cube of: 2a − 1

Find the cube of: 2a + 3b

Find the cube of: 3b − 2a

Find the cube of: `2"x"+1/"x"`

Find the cube of: `"x"-1/2`

Expand : (5x + 3y)³

Expand : (6a – 7b)³

For ₹ 378, 9 cans of juice can be bought, then how many cans of juice can be bought for ₹ 504?

A loaded truck travels 18 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?

Evaluate:

`5/9 + (-7)/6`

Evaluate:

`4 + 3/(-5)`

Evaluate:

`1/(-15) + 5/(-12)`