Railways PYQCBT 1 2016

RRB NTPC · Question 6

The following table shows the number of students who selected four subjects in four colleges VP, DJ, KS and GB.

ElectronicsComputerEconomicsStatistics
VP220150200150
DJ240125200220
KS200130250170
GB225150180125

Consider the following information and answer the following questions based on it. What percent of the total students chose Economics at KS College? A. 30% B. 17.33% C. 22.67% D. 33.33%

  1. B

  2. D

  3. C

  4. A

Show answer & explanation

Answer: (B) D

Explanation

KS has 200 + 130 + 250 + 170 = 750 students, of whom 250 chose Economics: 250/750 × 100 = 33.33%.