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Let the present ages of Surjeet and Rakesh be 4x and 5x respectively Thus, (4x + 8)/(5x + 8 ) = 6/7 28 x + 56 = 30 x + 48 30 x - 28 x = 56 – 48 2 x = 8 x = 4 Sum of their ages = 4 x + 5 x = 9 x = 9 × 4 = 36 years ∴ 70% of 36 = 70/100 × 36 = 25.2 years
40 men take 15 days to finish some work. If the work is to be finished in 8 days, then how many additional men should be hired?
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A, B and C can do a piece of work in 5, 8 and 10 days respectively. They start working together but C leaves after working 1 days and B, 2 days before t...
A team of 'x' boys can complete a job in 18 days if they all work together. However, every day, 15 boys leave the team after star...
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A is half as efficient as B. C does half as much work as A and B together. If c alone can do the work in 40 days. Then in how many days will A, B and C ...
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'A' operates at 75% of 'B's efficiency, while 'C' functions at 125% of 'B's efficiency. Initially, 'A' and 'B' teamed up for the job and worked for 10 ...
The time taken by ‘A’ to build a wall alone is 50% more than the time taken by him to build it along with ‘B’. ‘B’ will take how much percen...
Anupam requires 30% more time than Aman to complete a certain task. If both of them work together and earn a total of Rs. 23,000, determine Anupam's sha...