Question
The ratio of the salary of K and L is 4:5. The salary of
M is 50% of the sum of salary of K, L, and M. If the salary of M and sum of the salary of K, L, and M remain same. What percentage of the salary must be reduced for L, if Salary of K is increased by 25%.Solution
Let the salary of K and L be 4x and 5x respectively Salary of M = 0.5 x (4x+5x+M) M – 0.5M = 0.5 x 9x M = 9x Increased in salary of K = Rs. X The new salary of K is 5x. Since the sum of salary for three remains same and salary of C remain same 18x = 9x+5x+Y Y = 4x New salary of L is 4x Old salary of L is 5x Percentage of salary reduced = x/5x x 100 = 20%.
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