Question
If 3 pencils are picked at random, what is the
probability that two are red and one is yellow? A box contains 6 red, 4 blue, 2 green and 4 yellow pencils.Solution
150 litres of a mixture (paint + oil) contains 20% oil. How much oil should be added to make the ratio of paint to oil 5:3?
Mixture X has acid and petrol in the ratio 11:9. Mixture Y has 25% acid, the rest water. If 36 litres of mixture X is blended with 24 litres of mixture ...
Mixture ‘E’ of honey and water contains 60% honey. If a certain amount of mixture ‘E’ is taken out and poured into container ‘T’, and it con...
A container has 'x' litres of a 30% sugar solution. Another container has 40 litres of a 50% sugar solution. When both solutions are mixed together, the...
In a mixture of milk & water, 70 litres water is mixed due to which ratio changes from 3 : 4 to 1 : 3. Find initial quantity of mixture. (in litres)
120 litres of mixture ‘A’ (milk + water) contains 50 litres more water than milk. If 20% of mixture ‘A’, 41.5 litres of milk and 80 litres of wa...
A 280 ml mixture is composed of milk and water in the ratio 11:9. If an equal amount 'x' ml of both milk and water is added, the new ratio of milk to wa...
640 litres of mixture ‘A’ contains milk and water in it. If mixture ‘A’ is mixed with 560 litres of mixture ‘B’ which contains water and sal...
360 ml of mixture ‘A’ contains milk and water in the ratio 5:7 respectively. If the quantity of milk in mixture ‘B’ is 25.5% more than that in m...
A shopkeeper purchased 150 kg of rice at ₹40 per kg. He sold 60% of the rice at a profit of 25% and the rest at a loss of 15%. Find the overall percen...
