Question

1. Find the time if the simple interest on rupee 8100 at 6% per annum is rupee 1458.
2. Find the rate percent if the simple interest on rupee 16380 for lyear 3 months is
₹1365. .
3. Find the sum if the simple interest on a certain sum of money at 7% per annum for
7 years 6 months is rupee 4095. I make you brain list plz​

Answer 1

1.  Ans:- 3

Step by step:-

I =PRT/100

(I ---- Interest)

(P----- Principle)

(R------ Rate)

(T ------Time)

I=1458

P=8100 (which value is more is always P)

T= ?

R= 6

1458=8100*t*6/100

145800/48600 = t

3=t

2.