Madhya Pradesh Police Exam Model Paper 5

Question : 70 of 100

Marks: +1, -0

8 boys working 4 hours a day earn Rs. 320, how much will 7 boys working 2 hours a day will earn?

Solution:

GIVEN:
8 boys working 4 hours a day earn Rs. 320.
FORMULA USED:

(B1 × D1){/}W1 = (B2 × D2){/}W2

CALCULATION:
By using the formula:

8 × 4 × W2 = 7 × 2 × 320

⇒ W2 = Rs. 140

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