NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 52

2 minutes 30 seconds of internet download bill is 18 rupees, then how much will be the bill of 3 minutes 20 seconds? (Up to one decimal place) A. 24 B. 24.1 C. 24.2 D. 23.9

  1. B

  2. D

  3. A

  4. C

Show answer & explanation

Answer: (C) A

Explanation

2 min 30 s = 150 s costs Rs 18, so 1 s costs Rs 0.12. 3 min 20 s = 200 s costs 200 × 0.12 = Rs 24.