RRB Junior Engineer Stage 1 Model Papers 4

Question : 2 of 99

Marks: +1, -0

A sum amounts double in 8 years by simple interest.Then the rate of simple interest p.a. is

Solution:

Let P be the principle amount and R be rate of interest

2P=P+{P×R×8}/100

R=100/8=12.5%

Go to Question:

Prev Question

Next Question