Q7 of 13 Page 93

A principal amounts to ₹ 13924 in 2 years by compound interest at 18 p.c.p.a. Find the principal.

Amount= 13924/-, Rate = 18% (p.c.p.a), Duration (n) = 2 years



2


13924 = P (1+0.18)2


13924 = P (1.18)2


13924 = P (1.3924)


∴ A = 10000/-


∴ The principal is 10000/- .


More from this chapter

All 13 →
5

Find the compound interest if the amount of a certain principal after two years is
₹ 4036.80 at the rate of 16 p.c.p.a.

 6

A loan of ₹ 15000 was taken on compound interest. If the rate of compound interest is 12 p.c.p.a. find the amount to settle the loan after 3 years.

 8

The population of a suburb is 16000. Find the rate of increase in the population if the population after two years is 17640.

 9

In how many years ₹ 700 will amount to ₹ 847 at a compound interest rate of 10 p.c.p.a.