Question
Mr. Dutta desired to deposit his retirement benefit of Rs. 3 lakhs partly to a post office and partly to a bank at 10% and 6% interests respectively. If his monthly interest income was Rs. 2000, then the difference of his deposits in the post office and in the bank was :
Answer: Option C
Answer: (c)Using Rule 1,Let the amount deposited in Post Office be Rs.x lakhs.Amount deposited in bank = Rs.(3 - x) lakhsAccording to the question,${x × 10 × 1}/{100 × 12} + {(3 - x) × 6 × 1}/{100 × 12}$= $2000/100000 = 1/50$10x + 18 - 6x= $1/50$ × 1200 = 244x = 24 - 18 = 6x = $6/4$ = Rs.$3/2$ lakhs∴ Required difference = 0
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Answer: (c)Using Rule 1,Let the amount deposited in Post Office be Rs.x lakhs.Amount deposited in bank = Rs.(3 - x) lakhsAccording to the question,${x × 10 × 1}/{100 × 12} + {(3 - x) × 6 × 1}/{100 × 12}$= $2000/100000 = 1/50$10x + 18 - 6x= $1/50$ × 1200 = 244x = 24 - 18 = 6x = $6/4$ = Rs.$3/2$ lakhs∴ Required difference = 0
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