Math, asked by samdon1538, 11 months ago

If a sum 15000 amount to rs.19965 in 3 year at certain rate of compound interest payable annually. How much interest does rs.15000 produce with the same rate in the same time payable semiannually.

Answers

Answered by chiragbhalotia0412
0

Step-by-step explanation:

A = p(1+r/100)³

19965 = 15000 × ( 1 + r/ 100) ³

⇒(1+r/100)³ = 19965/15000

⇒(1 + r/100)³ = 1331/1000

⇒(1 + r/100)³ =(11/10)³

⇒1 + r/100 = 11/10  (since when a³=b³, a = b)

⇒r/100 = 11/10 - 1

⇒r = 100 ×1 / 10

⇒ r= 10%

A = 15000 ×( 1 + 1/20)ˣ⁶

= 15000 × (21/20)^6 = 20101.4(approx)

Ci = 5101.4

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