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piyush kamal

· started a discussion

· 1 Months ago

question- 74 (Question: 188643.0 )

any other method

Question:
A man borrows some money at 3% simple interest per annum and lends it to somebody at 5% interest to be compounded annually. By this he makes a profit of Rs. 541 at the end of 3 years. The money he borrowed was –
Options:
A) Rs. 8,000
B) Rs. 6,762
C) Rs. 6,000
D) Rs. 8,070
Solution:
Ans: (a) 


Michael Kom

· commented

· 1 Months ago

funny ans from knowledge expert...u know the ans n pick the one n start calculation...
in the examination hall, if we knew the ans we dont need to calculate and waste time....

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Short trick -

d= p* (r/100)^2 * (r/10)^2 *(3+r/100)
where d=different

Keep learning with us!!
Regards,
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