BANK Central Bank of India Apprentice Topic Tests 2023 Quantitative Aptitude Interest Compound Interest
A sum of ₹ 2550 was lent partly at 7% and partly at 9% per annum simple interest. The total interest received after 4 yr was ₹ 800, find the ratio of the money lent at 7% to that lent at 9%.
1
55 : 39
2
79 : 21
3
31 : 10
4
59 : 43
5
65 : 42