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Railways PYQCBT 1 2016

RRB NTPC · Question 51

Ullas's working capacity is twice that of Tejas. Together they can finish the work in 18 days, so in how many days Tejas will complete the same work alone? A. 36 B. 54 C. 20 D. 72

  1. D

  2. C

  3. A

  4. B

Show answer & explanation

Answer: (D) B

Explanation

Ullas works twice as fast as Tejas, so together they do three times Tejas's daily work. They finish in 18 days, so Tejas alone takes 3 × 18 = 54 days.