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Maths Puzzle
Numerical Ability
Ratio and Proportion
The ratio of Jim`s salary for October to his salary for November was 9:8 and the ratio of the salary for November to that for December was 3:4. The worker got 40 rupees more for December than for October and received a bonus consisting 40 percent of the salary for three months. Find the bonus. (Assume that the number of workdays is the same in every month.)
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- Rs. 265.6
Given, ratio of salary of Oct : Nov = 9 : 8 and Nov : Dec = 3 : 4
So, ratio of salary of Oct : Nov : Dec = (9*3) : (8*3) : (4*8) = 27 : 24 : 32
Let salary for Oct, Nov & Dec be 27x, 24x & 32x
Then, 32x - 27x = 40 => x=8
So, the salaries of Oct, Nov & Dec are Rs 216, Rs 192 & Rs 256 respectively.
Therefore, amount of bonus=(40/100)*(216+192+256)=Rs. 265.6 - 5 years agoHelpfull: Yes(1) No(0)
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