Question

If the simple interest on`2000 increases by`40, when the time increases by 4 years. Find the rate percent per annum.

Answer 1

Answer:

Hope's this will helps you

Step-by-step explanation:

p = 2000

R = R./p.a

Time = 1 year

S.I = 2000×R×T/100

= 20RT

(2PRT+40T) -20RT = 40

20RT + 40T -20RT = 40

40T = 40

T = 40/ 40

T = 1 year