A borrow 800 at the rate of 12% per annum simple interest and B borrows 910 at the rate of 10% per annum, simple interest . In how many years will the

Question

A borrow 800 at the rate of 12% per annum simple interest and B borrows 910 at the rate of 10% per annum, simple interest . In how many years will the

A borrow 800 at the rate of 12% per annum simple interest and B borrows 910 at the rate of 10% per annum, simple interest . In how many years will their amounts of debt be equal.(A 800 , 12 % वार्षिक साधरण बियाज की दर से उधार लेता है तथा B 910 , 10 % वार्षिक साधरण बियाज की दर से उधार लेता है कितने वर्ष बाद उनका कर्ज बराबर हो जायेगा )
A. 18years
B. 20years
C. 22years
D. 24years

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

(c ) Let after t year amount will be equal(माना की t वर्ष के बढ़ राशि बराबर हो जाएगी)
According to the question, `(800+(800xx12xxt)/(100)`
`(910+96t=910+91t)` 5t=110 t=22years
Hence after 22 years the amount will be equal(22 वर्ष के बाद राशि बराबर हो जाएगी)