If A’s income is 40% more than the income of B, then what percentage of B’s income is less than income of A?

In an examination, 54% of the candidates passed in science and 42% failed in mathematics. If 32% failed in both subjects, what percentage passed in both subjects?

A trader gives a discount of 4% for purchases above Rs 25,000, 6% for purchases above Rs 35,000 and 8% for purchases above Rs 50,000. If an item is purchased for Rs 38,500, what would be the amount of discount?

The price of a refrigerator is Rs 22,000. A shopkeeper marks its price 15% above its cost price and gives a discount of 8%. The discount is:

A bucket is drawn from a well by means of a rope which is wound around a wheel of radius 48 cm. if the bucket ascends in 1 minute 12 seconds at a speed of 1.2 m/sec, find the length of the rope.

A 230 m long train has to cross a platform of length 750m. If the train is running at a speed of 72 km/h, the time taken is:

In a class of 45 students, 40% are boys and rest are girls. The average weight of the girls is 55 kg and that of boys is 65 kg. What is the average weight (in kg) of the whole class?

In a solution of salt and water there is 12% salt by weight. When 25 kg of water evaporates, the concentration of salt becomes 22%. What is the initial amount of the solution?

Three painters have to spend 6 hours a day for 12 days to finish a work. If after 3 days one painter leaves, in how many days the remaining work will be completed?