Work and Remuneration Sharing

CAT 2017 Slot 2 · Quantitative Ability · Medium · Work and Time

This is a medium Quantitative Ability question from the CAT 2017 Slot 2 paper. It tests Work and Time. The full answer key and a step-by-step explanation are below — try it yourself first, then reveal the solution.

Amal can complete a job in 10 days and Bimal can complete it in 8 days. Amal, Bimal and Kamal together complete the job in 4 days and are paid a total amount of Rs 1000 as remuneration. If this amount is shared by them in proportion to their work, then Kamal's share, in rupees, is

  1. A.

    100

  2. B.

    200

  3. C.

    300

  4. D.

    400

Answer

A

Explanation

Work done by Amal in 4 days = 4×110=254 \times \frac{1}{10} = \frac{2}{5} of total work.

Work done by Bimal in 4 days = 4×18=124 \times \frac{1}{8} = \frac{1}{2} of total work.

Work done by Kamal in 4 days = 1(25+12)=1910=1101 - \left(\frac{2}{5} + \frac{1}{2}\right) = 1 - \frac{9}{10} = \frac{1}{10} of total work.

Kamal's share = 110×1000=\frac{1}{10} \times 1000 = Rs 100.

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