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in Aptitude by (79.8k points)

If A, B and C can complete a piece of work in 6 days. If A can work twice faster than B and thrice faster than C, then the number of days C alone can can complete the work is : 

(a) 44 

(b) 33 

(c) 22 

(d) 11

1 Answer

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Best answer

Correct option (b) 33 

Explanation: 

A+B+C ………………6 days 

 [6 days total work] 

According to the question, 

Ratio of their efficiencies,

A : B : C

6 : 3 : 2

Total efficiencies (6+3+2) unit = 11 units

Total work = 11×6=66 unit 

Therefore, time taken by C to complete the work

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