Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions for Mathematics

Rational numbers are closed under addition and multiplication but not under subtraction.

Give one example each to show that the rational numbers are closed under addition, subtraction and multiplication. Are rational numbers closed under division? Give two examples in support of your answer.

A number ending in 9 will have the units place of its square as ______.

Which of the following will have 4 at the units place?

Which among 43², 67², 52², 59² would end with digit 1?

A perfect square can never have the following digit in its ones place.

The units digit in the square of 1294 is ______.

The square of 500 will have ______ zeroes.

The digit at the ones place of 57² is ______.

The square of 86 will have 6 at the units place.

There is no square number between 50 and 60.

There are 200 natural numbers between 100² and 101².

A perfect square can have 8 as its units digit.

A number having 7 at its ones place will have 3 at the units place of its square.

Using distributive law, find the square of 101

Using distributive law, find the square of 72

A perfect square number has four digits, none of which is zero. The digits from left to right have values that are: even, even, odd, even. Find the number.

The shifting of a number from one side of an equation to other is called ______.

Value of S in `1/3` + S = `2/5` is ______.

When a number is divided by 8, the result is –3. The number is ______.