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May 9, 2018
(1 Questions)
Model Answer :
ans (e)
Ratio of Rohit: Father = 1: 5
Ratio of his Father: Mother = 5 : 4
Ratio of Rohit: Father: Mother = 1: 5: 4 ⇒ x : 5x : 4x
⇒ (x+2)/ (4x+2) = 3/10
⇒ 10x+20=12x+6
⇒ x= 7
Father’ age ⇒ 7 × 5
= 35 years
Subjects : Quantitative Aptitude
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Amar 7 months ago Top Answer 7 Likes - 2 Comments - 0 Feedbacks
Eliminate b) & c) bcoz these r not multiples of 5.
Take 45= father's age, rohit's age becums 9...after 2 yrs--> 11 yrs--> not multiple of 3..so eli...