Question

5 What sum amounts to 1044 in 4 years, at the rate of interest of 4% per annum
6 If a certain principal amounts to 44,000 at 5% p.a. over 2 years, how much will it amoun
years at the same rate?
7 The simple interest on a certain sum for 3 years at 7% p.a. is 225 more than the simp
225 more than the simple interest​

Answer 1

Answer:

5) P=Rs 1044

T=4years

R=4%

A=p(1+r/100)^t

=1044(1+4/100)^4

=1044(104/100)^4

=Rs1221.33

CP=A-P

=1221.33-1044

=Rs177.33

6) P=Rs44000

T=2years

R=5%

A=p(1+r/100)^t

=44000(1+5/100)^2

=44000(105/100)^2

=Rs48510

CP=A-P

=48510-44000

=Rs4510

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