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ATQ, Let 30 men takes time = x days Then, 50 men will take (x-10) days In both the conditions work done will be same 30x = 50(x-10) X = 25 Total work has to be done = 30x = 30 × 25 = 750 unit Work has to be done by 15 men = 2/5 × 750 = 300 unit Time taken by 15 men = 300/15 = 20 days
The ratio of males and females in a zoo is 4:5 respectively and the percentage of children among males and the percentage of children among females are ...
The ratio between two numbers is 1:2. If each number is increased by 8, the ratio between then become 5:6, find the difference between numbers.
P, Q, and R began a business with their investments in the ratio 3:5:6. The profits were distributed in the ratio of 12:54:35 among P, R, and Q, respect...
The ratio of two numbers is 3:5. If each number is decreased by 5, the ratio becomes 5:9. Find the smaller numbers.
Three numbers are in ratio 5:6:7. If the sum of the squares of those three numbers is 440 then find the sum of the three numbers.
The ratio of income of A, B, C is 7:9:12 and the ratio of expenditure is 8:9:15. If A saves 1/4 of his income, then what will be the ratio of their savi...
The ratio of the two numbers is 4:7. 110% of the first number is equal to the 80% of the second number. Find the sum of both the numbers.
The price of sugar is increased by 15%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original c...
In a collection of coins consisting of 20-paise, 25-paise, and 50-paise denominations, the coins are present in a ratio of 45:32:14. The combined value ...
Find the mean proportional of 2.56 and 8.41.
