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RRB Junior Engineer / DMS / CMA 2019 · Question 87 of 3719

Sufficient food-supply was arranged to last for 30 days for 250 soldiers. If 50 soldiers did not attend the camp, for how many extra days will the food-supply last?

Mathematics - Miscellaneous

  1. Aa. 10 days
  2. Bb. 7.5 daysCorrect
  3. Cc. 12 days
  4. Dd. 9 days

Answer: B. b. 7.5 days

Explanation

As we know, M₁ x D1 = M2 × D2 30 x 250 = (250-50) × D2 D2= 7500/200 D2 = 37.5 The extra days are = 37.5 - 30 = 7.5 days

Source: RRB JE 2019 CBT-1 (24-May-2019 Shift-1) — ixambee compilation with answer key and solutions · reliable-secondary

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