Latest interview Aptitude Question SOLUTION: Father’s age is 5 times his son's age. 4 years back the father was 9 times older than son. Find the fathers' present age. (a) 45 Years (b) 40 Years (c) 50 Years (d) 35 Year

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(#M40038466) INTERVIEW Category question arithematic Keep an EYE

Father’s age is 5 times his son's age. 4 years back the father was 9 times older than son. Find the fathers' present age.

(a) 45 Years (b) 40 Years (c) 50 Years (d) 35 Years



A shopkeeper bought a watch for Rs.400 and sold it for Rs.500.What is his profit percentage?

(a) 100% (b) 20% (c) 25% (d) 10%


A number 54 is divided into two parts, so that 10 times the first and 22 times second are together equal to 780. The difference of the parts is:

(a) 12 (b) 14 (c) 20 (d) 34

In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years ?
(a) Rs. 500 (b) Rs. 600 (c) Rs. 800 (d) Rs. 900

Asked In interview Anbarasan A (9 years ago)

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Chandresh patel  (9 years ago)

Q-1) Father's present age is 40..
--------> suppose fathers current age is x,and his son's is y...then
from first statement we can write x=5Y..Rewrite this equ. x-5y=0-----Eq.1)

from second statement we can write (x-4)=9*(y-4), Rearrange it x-9y=-32---Eq.2)

Solve Eq.1) & Eq.2).....x=40,y=8

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