Question

the annual income of a man reduces by rupees 60 when the rate of interest decrease from 4 % to 3×3/4%. find the required sum. plz solve this i will give u my number​

Answer 1

let the principle amount be ₹x,

Simple interest at 4% in 1years(let)=

Amount=S.I.+principle

Now,

simple interest at 15/4% in 1years=

Amount=

According to question,

Amount at 4%-₹60=Amount at 5/4%

multiple both the side by 25 we get:

Cross multiplying:

Transposing:

Principle=₹1875