RS Aggarwal Class 7 Mathematics Fourth Chapter Rational Numbers Exercise 4F Solution

EXERCISE 4F

(1) Find the multiplicative inverse or reciprocal of each of the following:

(2) Simplify:

(3) Fill in the blanks:

(7) The product of two rational numbers is 10. If one of the numbers is – 8, find the other.

(8) The product of two rational numbers – 9 If one of the numbers is – 12, find the other.

(11) If 24 pairs of trousers of equal size can be prepared with 54 m of cloth, what length of cloth is required for each pair of trousers?