Railways PYQCBT 1 2020

RRB NTPC · Question 42

The given table shows the number of formal learners, informal learners and illiterates, on the basis of gender, in the age group of 18-30 years in village X near Delhi. Determine the ratio among the formal learners, informal learners and illiterates.

Formal LearnersBoys39
Girls52
Informal LearnersBoys65
Girls78
IlliteratesBoys143
Girls169
  1. 7 : 11 : 24

  2. 7 : 24 : 11

  3. 11 : 24 : 7

  4. 11 : 7 : 24

Show answer & explanation

Answer: (A) 7 : 11 : 24

Explanation

Formal = 39 + 52 = 91, informal = 65 + 78 = 143, illiterates = 143 + 169 = 312. Dividing by 13: 7 : 11 : 24.