If the annual rate of simple interest increased from 8 to a person 39 s yearly income increased by R...........

Quantitative Aptitude (MTS) Simple Interest

If the annual rate of simple interest increased from 8% to , a person's yearly income increased by Rs459. The principal amount (in Rs) is:

This questions was previously asked in

SSC MTS 26th October 2021 Shift-1

View All SSCMTS Previous Year Papers

8,200

12,500

10,200

11,250

छोटे Courses बड़े Results

Master Simple Interest

Prepare through Micro-courses

Try Now

Explanation:

Correct option 3: 10,200
The rate of interest increased to = 12.5%
Formula used:
SI = (PXRxT) / 100
Solution
Let the principle be P
According to the question
Simple interest for 8%
(Px8x1)/100 = 2P/25----(1)
Simple interest for 12.5%
(Px12.5 x1)/100 = P/8
The difference in their income
P/8 - 2P/25= 459--------(2)
=9P = 459 x 200
⇒ P = 51 × 200 = 10200
-The required result will be 10200.