Latest TCS Aptitude Question SOLUTION: mr.paul invested rs.50,000 partly at 10% and partly at 15% s.i. his total income after a year was rs.7000. how much did he invest at the rate of 10%?

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mr.paul invested rs.50,000 partly at 10% and partly at 15% s.i. his total income after a year was rs.7000. how much did he invest at the rate of 10%?

Asked In TCS ratna (11 years ago)

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varun mishra  (11 years ago)

let the sum lent at 10% be rs x so at 15% it will be (50,000-x)
then using s.i = (p*r*t)/100
(x*10*1) (50,000-x)*15*1
-------- + --------------- = 7000
100 100

calculate x, ans is then x= 10,000 at 10%
and 40,000 at 15%

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