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

Square of \[\left( \frac{- 2}{3} \right)\] is

Cube of \[\frac{- 1}{2}\] is

Which of the following is not equal to \[\left( \frac{- 3}{5} \right)^4 ?\]

Which  of the following is not reciprocal of \[\left( \frac{2}{3} \right)^4 ?\]

Which of the following numbers is not equal to \[\frac{- 8}{27}?\]
(a) \[\left( \frac{2}{3} \right)^{- 3}\]

(b) \[- \left( \frac{2}{3} \right)^3\]

(c) \[\left( - \frac{2}{3} \right)^3\]

(d) \[\left( \frac{- 2}{3} \right) \times \left( \frac{- 2}{3} \right) \times \left( \frac{- 2}{3} \right)\]

\[\left( \frac{3}{4} \right)^5 \div \left( \frac{5}{3} \right)^5\] is equal to

For any two non-zero rational numbers a and b, a⁴ ÷ b⁴ is equal to

For any two rational numbers a and b, a⁵ × b⁵ is equal to 

For a non-zero rational number a, a⁷ ÷ a¹² is equal to

For a non zero rational number a, (a³)⁻² is equal to

Without performing actual addition and division write the quotient when the sum of 69 and 96 is divided by 
(i) 11
(ii) 15

Identify the term, their coefficients for the following expression:

 7x²yz − 5xy