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Numerical Ability
Arithmetic
A certain fraction is equivalent to 2/5 . If the numerator of the fraction is increased by 4 and the denominator is doubled, the new fraction is equivalent to 1/3 . What is the sum of numerator and denominator of the original fraction?
Options
(1) 49
(2) 35
(3) 28
(4) 26
(5) 21
Read Solution (Total 3)
-
- x/y=2/5
x+4/2y=1/3
solve, you will get y=15, x=6,
ans=21 - 8 years agoHelpfull: Yes(2) No(0)
- 21
as 6/15 is equivalent to 2/5
and as per given numerator increased by 4 and dmtr doubled
10/30 is equivalent to 1/3
- 8 years agoHelpfull: Yes(1) No(0)
- X/y =2/5 so y =5x/2
x+4/2*5x/2 =1/3
solve x and y
x=6. Y=12 - 8 years agoHelpfull: Yes(0) No(3)
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