Question

In what time will a sum of money double itselt at 15
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?
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Answer 1

Heyy❤

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?

➡➡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