Here Important Math MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping Share button.
Q. A boat covers a certain distance downstream in 4 h but takes 6 h to return upstream to the starting point. If the speed of the stream is 2 km/h, find the speed of the boat in still water.
Q. 16 men can complete a work in 16 days. All men started the work and after 4 days 16 more men joined them. In how many days the remaining work will be completed?
Q. If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, what is the time taken by 15 men and 20 boys in doing the same type of work ?
Q. A mixture of oil and water contains 35% oil by weight, 25g of water is added to 100g of such a mixture. What percentage of oil by weight is there in the new mixture ?
Q. A shopkeeper buys a watch for Rs 400. He marks 25% more on the watch, than the cost price. He allows 12% discount at the marked price. What is the percentage of profit?
Q. A cistern has two pipes. One can fill it with water in 8 h and the other can empty it in 5 h. In how many hours will the cistern be emptied if both the pipes are opened together when 3/4 of the cistern is already full of water ?
Q. A shopkeeper has 100 kg of tea. He sells a part of it at 20% profit and the rest at 5% loss. If his overall profit is 10%, find the quantity of tea, which he sold at 5% loss.