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Suresh does complete a work in 20 hours. Ram is 25% more efficient than Suresh. What is the total number of hours Ram takes to complete the…

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Suresh does complete a work in 20 hours. Ram is 25% more efficient than Suresh. What is the total number of hours Ram takes to complete the same work?
  • A24 hrs
  • B18 hrs
  • C16 hrs
  • D25 hrs
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CCommunity
Given,

Suresh’s can complete work in 20 days.

Ram is 25% more efficient than Suresh.

Ratios of time taken by Suresh and Ram is

⇒ 125 : 100 = 5 : 4

Let Ram will complete the work in a days.

⇒ 5 : 4 = 20 : a

⇒ 5/4 = 20/a

⇒ a = (20 × 4)/8

⇒ a = 16

∴ Ram will complete the work in 16 hours.