Question

One year ago the ratio between Laxman's and Gopal's salary was 3:4. The ratios of their
individual salaries between last year's and this year's salaries are 4 : 5 and 2 : 3 respectively. At
present the total of their salary is Rs. 4160. The salary of Laxman now, is : (a) Rs. 1040 (b)
Rs. 1600 (c) Rs. 2560 (d) Rs.​

Answer 1

Answer:

$let \: 2 \: ratio \: 3 \: be \: 2x \: and \: 3x. \\ 2x + 3x = 4160rs. \\ 5x = 4160rs. \\ x = \: \frac{4160rs.}{5} = 832rs. \\ 2x = 2(832rs) \\ 1664rs. \: is \: \: laxman \: salary.$