Question

Principal = Rs 1500, rate = 12% p.a. and time = 3 years 3 months.​

Answer 1

Answer:

CaseI

P=Rs 1500 r=12% p.a t=1 year

Interest =

100

1500×12×1

=Rs180.

∴A=Rs1680.

CaseII

P=Rs 1680 r=12% p.a t=1 year

Interest =

100

1680×12×1

=Rs201.

∴A=Rs1881.60.

CaseIII

P=Rs 1881.60 r=12% p.a t=1 year

Interest =

100

1881.60×12×1

=Rs225.80.

∴A=Rs2107.40.

CaseIV

P=Rs 2107.40 r=12% p.a t=

12

3

=

4

1

years

Interest =

100

2107.40×12

×

4

1

=Rs 63.22.

∴A=Rs 2170.62.

Compound interest is Rs 670.62

Answer 2

Answer:

first change years to months,

= 3 years 3 months = 3×12+3. months

= 39 months

simple interest = P×R.

T×100

= 1500×12

100× 3

= 5×12

= 60 answer

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