Question

find the amount and compound interest where principal = 50,000
rate10% and time = 2 whole 1 by 5​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

63525 , 13525

Step-by-step explanation:

solving by three methods , stepwise :

basic method,

t = 2 + 1/5 = 2.5 yr rate for 0.5 yr = 6 months = 10/2 = 5%

A = p ( 1+ 10/100)^2× ( 1 + 5/100)

A = 63525

c.i = A - p = 13525

By ratio method,

r = 10% = 1/10 ,rate for 0.5yr(6 months)

= 5% = 1/20

p : A

10 : 11

10 : 11

20 : 21

_________

2000 :2541

_________

2000 units = 50000

1 unit = 25

2541 units = 2541×25 = Rs 63525(A)

c.i = A - p = 63525- 50000 = Rs 13525

by % method:

equivalent rate for 2 yrs

= 10+10+10^2/100= 21%

for 2.5 yr = 21+5+21×5/100 = 27.05%

c.i = 27.05% of 50,000 = Rs 13525

A = 50000+13525 = Rs 63525