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Start learning 50% faster. Sign in nowSum of weights of 10 persons = 30 × 10 = 300 kg Sum of weights of 11 persons = (30 + 3) × 11 = 363 kg Weight of new person = 363 – 300 = 63 kg
A started a work such that he can complete the whole work in 30 hours. After working for 10 hours, he worked with the rate such that the whole work can ...
Pipes A and B can fill an empty tank in 6 and 8 hours respectively, while pipe C can empty the full tank in 10 hours. If all three pipes are opened toge...
A car is moving at a uniform speed of 35 km/h. What is the time it takes to cover 140 km?
How will you write 3.78 hours in hours, minutes, and seconds?
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...
'K' can do 3/4th of a work in 6 days and 'J' can do 2/5th of the same work in 4 days. How long (in days) will they take, if they w...
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 can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?
Numan does half as much work as Gagan in four-fifth of the time. If together they take 16 days to complete a work, how much time shall Gagan take to do it?
