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what amount increased by 20% is RS 6000 ? plzz solve it properly ...

asked Apr 7, 2014 in Quantitative Aptitude by aslam (107 points) 159 views

1 Answer

0 votes
Let that amount be X.  20% of X will be X x 20/100.

Sum of both shall be equal to Rs.6000, so

X + X x 20/100 = 6000

X + X/5 = 6000

6X/5 = 6000

X = (6000 x 5)/6 = 5000

Verify: 5000 + (5000 x 20/100) = 6000
answered Apr 7, 2014 by Shekhar (54 points)
can u tell plz from where does this 6 come from in 3rd line ???
It is just addition of fractions:
X/1 + X/5 , after taking LCM 5.
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