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Doctors Medicines MCQs Q&A

  1. Rs. 2,800
  2. Rs. 2,400
  3. Rs. 4,200
  4. Rs. 4,800
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1 Answers

Option 1 : Rs. 2,800

Concept used:

Unitary Method

Calculation:

According to the question:

Worker hours supplied by A = 30 × 10 × 8

Worker hours supplied by B = 20 × 7 × 10 

Worker hours supplied by C = 12 × 8 × 6

Now, Ratio of their shares = (30 × 10 × 8) : (20 × 7 × 10) : (12 × 8 × 6)

⇒ 300 : 175 : 72

Let A's share be 300x

B's share be 175x

C's share be 72x

Total paid to all the workers = (300x + 175x + 72x)

⇒ 8752 = 547x

⇒ x = 8752 /547 = 16

B's share = 175x = 175 × 16 = Rs. 2,800

∴ The share of B is Rs. 2,800.

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