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QA – Placement Quizzes | Simple Interest | Question 14

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  • Last Updated : 28 Jun, 2021

A sum of money doubles itself in 10 years at simple interest. What is the rate of interest?
(A) 11
(B) 15
(C) 20
(D) 10

Answer: (D)

Explanation: SI = P
P = P X R X 10/100
R= 10 %

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