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Raghu invested ₹1000 and received ₹1300 at 6% per annum simple interest after X years. Find X.
A4 years
B3 years
C2 years
D5 years
Answer & Solution
Correct answer: D. 5 years
1. Interest earned = 1300 − 1000 = ₹300.
2. SI = P × R × T / 100, so 300 = 1000 × 6 × X / 100 = 60X.
3. X = 300 / 60 = 5 years.
_Source: RRB Group D CEN-02/2018 PYQ, Q.28._
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