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Calculate the Amount and the Compouncl Interest of the Following: - Mathematics

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Question

Calculate the amount and the compouncl interest of the following: 

Rs 9,125 for 2 years if tl1e rates of interest are 12% and 14 % for the successive years. 

Sum
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Solution

P=Rs 9,125 ; t = 2 years ; r = 12% and 14% successively. 

`"A" = "P" (1 + "r"/100)^"n"`

A = Rs `9125 (1 + 12/100) (1 +14/100)`

= Rs 9, 125 x 1.12 x 1.14

= Rs 11,650.80 

C.l. = A - P

= Rs (11,650.80 - 9,125)

= Rs 2,525.80 

Hence, Amount= Rs 11,650.80 and C.I. =Rs 2,525.80 

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Finding CI from the Relation CI = A – P
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Chapter 1: Compound Interest - Exercise 1.6 [Page 19]

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Frank Mathematics - Part 2 [English] Class 10 ICSE
Chapter 1 Compound Interest
Exercise 1.6 | Q 3.1 | Page 19

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