Question
What annual instalment will discharge a debt of Rs. 1092 due in 3 years at 12 % simple interest ?
Answer: Option A
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Let each instalmnt be Rs. `x` , then , `( x + (x xx 12 xx 1)/(100)) + (x + (x xx 12 xx 2)/(100)) + x ` = 1092
`hArr (28x)/(25) + (31x)/(25) + x` = 1092
`hArr (28x + 31x + 25x)` = (1092 x 25)
`hArr 84 x` = 1092 x 25
`hArr x = ((1092 xx 25)/(84)) ` = 325
`:.` Each instalment = Rs. 325
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