On what sum will be the simple interest at a rate of x% p.a. in x years will be ₹ x?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. ₹ 100/x.
Formula used:
Simple interest = PRT/100 ----- (1)
Where, P = Principle, R = rate and T = time period
Calculations:
Let the sum be P.
Using equation (1),
⇒ x = (P × x × x)/100
⇒ P = 100/x