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Arithmetic Ability
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Q.
In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum?
A.
2.9 years
B.
3.5 years
C.
4.2 years
D.
4.7 years
View Answer
Correct choice: B
Explanation:
Given that Rs. 1860 will become Rs. 2641.20 at 12% => Simple Interest = 2641.20 - 1860 = Rs. 781.20 We know I = PTR/100 => 781.20 x 100 = 1860 x T x 12 => T = 78120/1860x12 => T = 78120/22320 => T = 3.5 years.
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