NCHMCT JEE 2014 Question Paper with solutions for online practice

Question : 19 of 200

Marks: +1, -0

If the compound interest on a certain sum of money for 3 years at 10% per annum be ₹ 993, what would be the simple interest?

Solution:

C.I. = P

[(1+r/{100})^t-1]

993 = P

[(1+{10}/{10})^3-1]

993 = P × 0.331
∴ P = 3000
S.I. =

{Prt}/{100}

{3000×10×3}/{100}

= ₹ 900

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