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If 12 persons working 12 hours a day dig 12 meters of a tunnel in 12 days how many men are required to dig additional 4 meter of the tunnel (of the same...
A is thrice as efficient as B and can finish a piece of work in 28 days less than B. B can finish this work in how many days?
The total age of 'R' and 'D' eight years ago was thirty-six. Four years separate 'R' and 'D' in age. Determine the sum of total age (in years) between '...
Four bells ring at 16, 24, 36, 42 minute intervals. If they ring together at 6.00 a.m., after how long would they next ring together?
...P, Q and R can complete a work in 10 days. 20 days and 30 days, respectively, working alone. How soon can the work be completed if P is assisted by Q an...
A and B can do job in 10 days. B and C can do same job in 12 days. A, B and C together can do same job in 8 days. In how many days A and C together can ...
A car is moving at a uniform speed of 35 km/h. What is the time it takes to cover 140 km?
A can do a piece of work in 15 days while B can do it in 18 days. Starting with A, they work on alternate days till the work gets over. How many days i...
8 men or 12 boys can complete a work in 192 days. 24 men and 28 boys will complete the same work in how many days?
