Latest Tech Mahindra Aptitude Question SOLUTION: Anil invests an amount for 2 years at the rate of 15% per annum at simple interest.Had he invested in a scheme in which interest was compounded yearly he would have got Rs.450 more

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(#M40155892) TECH MAHINDRA Numerical Ability question Numerical Ability Keep an EYE

Anil invests an amount for 2 years at the rate of 15% per annum at simple interest.Had he invested in a scheme in which interest was compounded yearly he would have got Rs.450 more. Find the principal

(a) Rs.8,000
(b) Rs.15,000
(c) Rs.20,000
(d) Rs.10,000

Asked In Tech Mahindra Aashu (8 years ago)

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DEBMALYA GHOSAL  (8 years ago)

difference, D between compound and simple interest for 2 years,
D=P*(R/100)^2
where P is the principal
R is rate of interest

so here,
450=P*(0.15)^2
=> P=20000 (ans. c)

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Monica  (8 years ago)

CI-SI=P(R/100)^2

AS GIVEN CI-SI=450

450=P(15/100)^2
450=P(3/20)^2
P=450(20/3)^2
P=20000

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md asif  (8 years ago)

ans : C (20000)
Because SI of 20000 at a rate of 15% per annum for 2 years is 26000
and CI of 20000 at a rate of 15% per annum for 2 years is 26450
so, in question it is said that compounded year He had got 450 more than SI so 26450-26000=450
answer can found by options method

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vikash tiwari  (8 years ago)

plz send me tech mahindra paper at " hellojava1440@gmail.com "

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