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RD Sharma Solutions Class 8 Mathematics Solutions for Direct and Inverse Variations Exercise 10.2 in Chapter 10 - Direct and Inverse Variations

Question 15 Direct and Inverse Variations Exercise 10.2

18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?

Answer:

Let number of men be ‘x’ men

R D Sharma Solutions - Mathematics - Class 8 chapter Direct and Inverse Variations Question 15 Solution image

We know k = xy

35 × 18 = 15 × x

x = (35×18)/15

= 42

∴ 42 men are required to reap the same field in 15 days.

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