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CMA Foundation · Fundamentals of Business Mathematics and Statistics · Ratios, Variations and Proportions

The cost of fuel for a delivery van varies directly with the distance travelled. If Sharma Traders spends ₹1,260 on fuel for 180 km, what will be the fuel cost for 250 km at the same rate?

The fuel cost for 250 km is ₹1,750. Since cost varies directly with distance, the rate is 1,260 divided by 180, which is ₹7 per km, and multiplying this rate by 250 km gives ₹1,750.

  1. A₹1,650
  2. B₹1,750Correct
  3. C₹1,800
  4. D₹1,850

Explanation

Cost per km = 1,260/180 = ₹7. For 250 km the cost = 7 × 250 = ₹1,750. Check: 1,260/180 = x/250 gives x = 1,750. Option ₹1,800 results from wrongly using ₹7.20 per km.

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