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

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?


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