A shopkeeper sells an article at a loss of 12 1/2 %. Had he sold the article for ₹51.80 more, he would have earned a profit of 6%. The cost price of the article is

A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is

A moving train passes a 50 m long platform in 14 sec and a lamp-post in 10 sec. The speed of the train is

The average of six numbers is 32. If each of the first three numbers is increased by 2 and each of the remaining three numbers is decreased by 4, then the new average is

Ramesh bought 10 cycles for ₹500 each. He spent ₹2000 on the repair of all cycles. He sold five of them for ₹750 each and the remaining for ₹550 each. Then, the total gain or loss % is

A man travelled a distance of 80 km in 7 h partly on foot at the rate of 8 km/h and partly on bicycle at 16 km/h. The distance travelled on foot is

The ratio between the monthly incomes of A and B is 9 : 8 and the ratio between their expenditures is 8 : 7. If they save ₹500 each, find A's monthly income.

Three taps A, B and C together can fill an empty cistern in 10 min. Tap A alone can fill it in 30 min and tap B alone in 40 min. How long will tap C alone take to fill it?

When n is divided by 5 the remainder is 2. What is the remainder when n² is divided by 5?