A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone he can do the work in
Given that man can do a work in 30 hr In 1hr, work done by Man = 1/30 Along with Son, Man can do work in 20 hr In 1hr, work done by Man and Son = 1/20 => In 1hr, work done by son = 1/20 – 1/30 => work done by son in 1hr = 1/60 Therefore, son takes 60hr to complete the work.
A mixture (milk + water + honey) contains ‘16m’ litres milk, ‘24n’ litres water and 56 litres more honey than water. If 25% of the mixture was r...
A 210 litres mixture contains only water and phenyl in the ratio 3:4, respectively. If 70 litres of this mixture is replaced with 25 litres of alcohol, ...
A 320 litres mixture contains milk and water in the ratio 3:1 respectively. If 30% of the mixture is replaced with the same quantity of water, then find...
A 360-liter mixture consists of milk and water in a 5:4 ratio. If 7.5% of the mixture is removed and replaced with the same amount of water, what is the...
155 litres of a mixture contains 42% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
A Vessel if full of milk, 5 litre of milk is taken out and replaced by water. This process is repeated once more, find the initial amount of milk in the...
300 liters of oil was poured into a tank, which was still 40% empty. How much oil must be poured into the tank to fill it to the brim?
A mixture (milk + water + honey) contains ‘10m’ litres milk, ‘15n’ litres water and 35 litres more honey than water. If 25% of the mixture was r...
A mixture contains 70 litres of milk and the rest water such that the ratio of the quantity of milk to that of water in the mixture is 7:3. How many lit...
A mixture contains 416 ml of milk and water in a ratio of 8:5. If the mixture is augmented by adding 144 ml of milk and 160 ml of water, what will be th...
