Question

If the principal is 5000 , Rate is 8 p.c.p.a and Number of years is 3 . Find amount and compound interest​

Answer 1

Step-by-step explanation:

Principal = 2000/-, Rate = 5% (p.c.p.a), Duration (n) = 2 years

2

A = 2000 (1+0.05)2

A = 2000 (1.05)2

A = 2000 (1.1025)

∴A= 2205/-

∴ C.I = A – P

∴ C.I = 2205 – 2000

C.I. = 205/-

Amount is 2205/- and Compound interest is 205/- .

b. Principal = 5000/-, Rate = 8% (p.c.p.a), Duration (n) = 3 years

3

A = 5000 (1 + 0.08)3

A = 5000 (1.08)3

A = 5000 (1.259712)

∴A= 6298.56/-

∵ C.I. = A - P

∴ C.I. = 6298.56 - 5000

C.I. = 1298.56/-

Amount is 6298.56/- and Compound interest is 1298.56/- .

c. Principal = 4000/-, Rate = 7.5% (p.c.p.a), Duration (n) = 2 years

A = 4000 (1 + 0.075)2

A = 4000 (1.075)2

A = 4000 (1.155625)

∴A= 4622.5/-

∵ C.I. = A - P

∴ C.I. = 4622.5 - 4000

C.I. = 622.5/-

Amount is 4622.5/- and Compound interest is 622.5/- .

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