Management Aptitude Test 2014 Paper

Question : 115 of 200

Marks: +1, -0

Find the principal if compound interest is charged on the principal at the rate of 16

2/3

% per annum for two years and the sum becomes ₹ 196.

Solution:

(d ) Here, A = ₹ 196, r = 16

2/3

% =

50/3

% per annum
n = 2 yr
∴ A = P

(1+R/100)^n

⇒ 196 = P

(1+50/{3×100})^n

⇒ 196 = P

(1+1/6)^2

⇒ 196 = P ×

(7/6)^2

⇒ 196 = P ×

49/36

∴ P =

{196×36}/49

∴ P = ₹ 144

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