GATE Civil Engineering (CE) 2018 Shift 1 Solved Paper

Using options (a) and (c) cannot be answer.
As Hema's age is twice of a natural number +5
(b) and (d) remain.
Let us take Hema's age as option (d) which is 19
Hari's age =7, and Suresh age =57
Verifies all condition "answer (d)"
Hema =2 Hari +5
Suresh =10 Hari −13=3 Hema
Solve :
Hari =7
Hema =19
Suresh =57