Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions

The reciprocal of x^–1 is `1/x`.

Simplify

`32/5 + 23/11 xx 22/15`

Simplify

`3/7 xx 28/15 ÷ 14/5`

Simplify

`3/7 + (-2)/21 xx (-5)/6`

Simplify

`7/8 + 1/16 - 1/12`

The cost of `19/4` metres of wire is Rs. `171/2`. Find the cost of one metre of the wire.

A train travels `1445/2` km in `17/2` hours. Find the speed of the train in km/h.

If 16 shirts of equal size can be made out of 24 m of cloth, how much cloth is needed for making one shirt?

`7/11` of all the money in Hamid’s bank account is Rs. 77,000. How much money does Hamid have in his bank account?

A `117 1/3` m long rope is cut into equal pieces measuring `7 1/3` m each. How many such small pieces are these?

`1/6` of the class students are above average, `1/4` are average and rest are below average. If there are 48 students in all, how many students are below average in the class?

Find the multiplicative inverse of `-1 1/8`

Find the multiplicative inverse of `3 1/3`

By what numbers should we multiply `(-15)/20` so that the product may be `(-5)/7`?

By what number should we multiply `(-8)/13` so that the product may be 24?

Can you find a rational number whose multiplicative inverse is –1?

From a rope 40 metres long, pieces of equal size are cut. If the length of one piece is `10/3` metre, find the number of such pieces.

`5 1/2` metres long rope is cut into 12 equal pieces. What is the length of each piece?

Find `0 ÷ 2/3`

Find `1/3 xx (-5)/7 xx (-21)/10`