75. A and B undertake a piece of work for ₹ 250/-. A alone can do that work in 5 days and B alone can do that work in 15 days. With the help of C, they finish the work in 3 days. If everyone gets paid in proportion to work done by them, the amount C will get is:
A. ₹ 50/-
A's 1 day's work =  B's 1 day's work = (A + B + C)'s 1 days work = C's 1 day's work:
Ratio of workdone by A, B and C:
10 Questions 20 Marks 12 Mins
Given: Efficiency of A = 2 × Efficiency of B They together can complete the whole work in 18 days Concept Used: Work = Efficiency × Time Calculation: We have Efficiency of A : Efficiency of B = 2 : 1 Efficiency of (A + B) = 3 Total Work = 3 × 18 = 54 units A alone can do this work in 54/2 days [Total work/efficiency of A] ⇒ 27 days. ∴ The time taken by A to complete the work is 27 days. India’s #1 Learning Platform Start Complete Exam Preparation
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Mock Tests & Quizzes Trusted by 3.4 Crore+ Students Description for Correct answer: B A 1 2\( \Large \rightarrow Efficiency ratio \) Total work =\( \Large 16 \times \left(1+2\right)=48 \) No. of days taken by A to complete the work =\( \Large \frac{48}{2}=24 \) days Part of solved Time and work questions and answers : >> Aptitude >> Time and work Comments Similar Questions |
A is twice as good as b it takes 16 days if they work together when can a alone finish the job
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