TCS Company Numerical Ability Ratio and Proportion

5. If the numerator of a fraction increases by 50% & substracted by 1. The result is 1/4th of the original fraction. Find the fraction.

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let the fraction be x/1 (this is the simplest case,where numerator is 'x' & denominator is '1')
now,
x*(150/100)-1 = x*1/4
(3*x/2) - (x/4) = 1
by solving,we get x=4/5
so the fraction is 4/5
11 years agoHelpfull: Yes(23) No(0)

(x+0.5x)-1/y=0.25x/y
Cancelling y
and solving we get
5x/4=1;so x=4/5
11 years agoHelpfull: Yes(7) No(0)
(x/y) = 1/5 Solving directly
11 years agoHelpfull: Yes(0) No(12)
125x=100y
x/y=4/5
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x/4=150x/100-1;
x=4/5 ans
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TCS Other Question

for real number x,int(x) denotes integer part of x.int(x) is the largest integer less than or equal to x.int(1,2)=1,int(-2,4)=-3.find the value of int(1/2)+int(1/2+100)+int(1/2+2/100)+....+int(1/2+99/100)? 6. The price of an article increased by X% and then fell by X% such that the latest price of the article is Rs. 2. What was the original price ?