Mathematics mcqs

a cistern which could be filled in 9 hours takes one hour more to be filled owing to a leak in its bottom.

a cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick.

a cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom.

a cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom.

a cistern is filled by a tap in 3 1/2 hours. due to leak in the bottom of the cistern, it takes half an hour longer to fill the cistern.

a cistern has three pipes, a, b and c. the pipes a and b can fill it in 4 and 5 hours respectively and c can empty it in 2 hours.

a cistern has a leak which would empty the cistern in 20 minutes.

a cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours.

a circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 the smaller side if the rectangle is:---

a circular path of 13 m radius has marginal walk 2 m wide all round it. find the cost of leveling the walk at 25p per m2?

a circle and a rectangle have the same perimeter. the sides of the rectangle are 18cm and 26cm.what is the area of the circle?

a card is drawn from a pack of 52 cards. the probability of getting a queen of club or a king of heart is-----------?

a car travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. what is the average speed for the first 320 km of the tour?

a car travels 50% faster than a bikboth start at the same time from a to b.

a car traveling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. what is the actual speed of the car?

a car is running at a speed of 108 kmph. what distance will it cover in 15 seconds ?

a car is purchased on hire-purchasthe cash price is $21 000 and the terms are a deposit of 10% of the price, then the balance to be paid off over 60 equ

a car gives a mileage of 20 km per liter of petrol when driven at a constant speed of 50 kmph but the mileage decreases by 10% when driven at a speed of

a car can travel 360km with a ¾ full tank. how many km can it travel with a 2/3 full tank?

a candidate who gets 30% of the marks fails by 50 marks. but another candidate who gets 45% marks gets 25 marks more than necessary for passing.

a candidate got 35% of the votes polled and he lost to his rival by 2250 votes. how many votes were cast?

a can run a kilometer race in 4 1/2 min while b can run same race in 5 min.

a can lay a railway track between two given stations in 16 days and b can do the same job in 12 days. with help of c, they did the job in 4 days only.

a can give b 100 meters start and c 200 meters start in a kilometer rachow much start can b give c in a kilometer race?

a can do piece of work in 30 days while b can do it in 40 days. in how many days can a and b working together do it ?