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Aptitude · Q151

Interest

Competitive Exams · Aptitude · question 151

Q151

A certain sum doubles in 7 years at simple interest. The same sum under the same interest rate will become 4 times in how many years = ?

A.
14 years
B.
28 years
C.
21 years
Answer
D.
10 years

Answer: Option C

Solution

Answer: Option C
Solution:
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