9. In what time will the Simple Interest on 400 at 10% per annum be th

1.	9. In what time will the Simple Interest on 400 at 10% per annum be the same as the Simple Interest on 1000 for four years at 4% per annum?
Answer» I PROMISE I WILL FOLLOW YOU IF YOU MARK AS BRAINLIST THANKS FOR QUESTION YOUR ANSWER IS Let, after t years the simple interest on rs 400 at 10% per annum be the same as the simple interest on rs 1000 for four years at 4% per annum, Since, The simple interest is, Where, P is the principal AMOUNT, r is the annual RATE of interest, t is the time ( In years ), THUS, the simple interest on rs 400 at 10% per annum for t years, While, the simple interest on rs 1000 for four years at 4% per annum Hence, 40 t = 160 ⇒ t = 4 years

9. In what time will the Simple Interest on 400 at 10% per annum be the same as the Simple Interest on 1000 for four years at 4% per annum?

Answer»

I PROMISE I WILL FOLLOW YOU IF YOU MARK AS BRAINLIST

THANKS FOR QUESTION

YOUR ANSWER IS

Let, after t years the simple interest on rs 400 at 10% per annum be the same as the simple interest on rs 1000 for four years at 4% per annum,

Since, The simple interest is,

Where, P is the principal AMOUNT,

r is the annual RATE of interest,

t is the time ( In years ),

THUS, the simple interest on rs 400 at 10% per annum for t years,

While, the simple interest on rs 1000 for four years at 4% per annum

Hence,

40 t = 160

⇒ t = 4 years