RRB Junior Engineer Stage 1 Model Papers 9

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Question : 9 of 100

Marks: +1, -0

Simple interest on a certain sum for 6 years is

9/25

of the sum. The rate of interest is

6%
6 1/2%
8%
8 1/2%

Solution:

Rate

={SI×100}/{\Principal×\Time}

9/25×100/6=6%

per annum

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