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

Which of the following is a binomial?

Sum of a – b + ab, b + c – bc and c – a – ac is ______.

Which of the following are like terms?

The product of two terms with like signs is a ______ term.

The product of two terms with unlike signs is a ______ term.

The product of two negative terms is a negative term.

The product of one negative and one positive term is a negative term.

3^–2 can be written as ______.

The value of `1/4^-2` is ______.

The value of 3⁵ ÷ 3^–6 is ______.

The value of `(2/5)^-2` is ______.

The reciprocal of `(2/5)^-1` is ______.

The value of (–2)^{2×3 – 1} is ______.

The value of `(-2/3)^4` is equal to ______.

If x be any non-zero integer and m, n be negative integers, then x^m × xⁿ is equal to ______.

If y be any non-zero integer, then y⁰ is equal to ______.

If x be any non-zero integer, then x^–1 is equal to ______.

If x be any integer different from zero and m be any positive integer, then x^–m is equal to ______.

If x be any integer different from zero and m, n be any integers, then (x^m)ⁿ is equal to ______.

Which of the following is equal to `(- 3/4)^-3`?