A tap can fill a tank in 8 hours. After half the tank is filled, four more similar taps are
opened. What is the total time taken to fill the tank completely?
The average of the marks of 15 students in a class is 43. If the marks of each student
are doubled, find the new average?
What is the smallest possible number which when divided by 33, 56 and 84, leaves 6, 29
and 57 as the remainders, respectively?
The monthly incomes of two friends Chetan and Vipul, are in the ratio 5 : 7 respectively
and each of them saves ₹72000 every month. If the ratio of their monthly expenditure is
1 : 3, find the monthly income of Chetan(in ₹).
A trader offers a 10% discount on the marked price and provides 3 articles free for every
12 articles purchased, thereby earning a profit of 20%. Find the percentage by which the
marked price is increased above the cost price, correct to two decimal places.
The length of a rectangular garden is 20 m and its breadth is 8 m. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden.
A man riding on a bicycle at a speed of 43 km/h crosses a bridge in 54 minutes. Find the
length of the bridge?
The sum of five numbers is 655. The average of the first two numbers is 78 and the third
number is 123. Find the average of the remaining two numbers?
The marked price of an article is ₹5,800. A customer gets two successive discounts, the
first being 12%. Calculate the second discount percentage if the customer pays
₹4,695.68 for it.
How many seconds will a boy take to run one complete round around a square field of side 87 metres, if he runs at a speed of 3 km/h?
The sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 114. Find the average of the remaining two numbers?
Three partners invested in a business in the ratio 1:9:8. They invested their capitals for 11 months, 6 months and 2 months, respectively. What was the ratio of their profits?
At what rate percentage per annum (correct to one place of decimal) will ₹17,280 amount to ₹23,520 in 2 years, if the interest is compounded annually?
The height of a conical vessel is 7 cm. If its capacity is 6.6 litres of milk. Find the diameter of its base.
A shopkeeper has announced 14% rebate on the marked price of an article. If the selling price of the article is ₹688, then the marked price of the article will be:
Anil can do a piece of work in 4 hours. Ashok can do it in 8 hours. With the assistance of Robin, they completed the work in 2 hours. In how many hours can Robin alone do it?
If A can complete a job in 15 days and B can complete the same job in 20 days, then how many days (rounded up to the nearest two decimal places) will it take for both A and B to complete the job together?
A retailer sold a laptop at ₹27,000 by giving two continuous rebates of 20% and 10%. What is the marked price?
If the radius of the base of a right circular cylinder is decreased by 24% and its height isincreas ed by 262%, then what is the percentage increase (closest integer) in its volume?
A number is first increased by 12%, and the increased number is decreased by 8%. Find
the net increase or decrease percentage.
In a race, an athlete covers a distance of 438 m in 146 sec in the first lap. He covers the second lap of the same length in 73 sec. What is the average speed (in m/sec) of the athlete?
What is the greatest four digit number which when divided by 6, 20, 33 and 66, leaves 2, 16, 29 and 62 as remainders, respectively?
A 815 m long train crosses a man walking at a speed of 2.7 km/h in the opposite direction in 18 seconds. What is the speed (in km/h) of the train?
An amount of ₹682 is divided among three persons in the ratio of 18 : 3 : 9. The difference between the largest and the smallest shares (in ₹) in the distribution is:
The ratio of milk and water in a 30 litre mixture is 3 : 2. Find the quantity of water to be added to the mixture in order to make this ratio 1:1.
The sum of five numbers is 655. The average of the first two numbers is 75 and the third
number is 122. Find the average of the remaining two numbers?
Train A leaves station M at 7:35 AM and reaches station N at 2:35 PM on the same day. Train B leaves station N at 9:35 AM and reaches station M at 2:35 PM on the same day. Find the time when Trains A and B meet.
A bus travelling at 42 km/h completes a journey in 20 hours. At what speed will it have to cover the same distance in 12 hours?
Find the difference between the simple interest and compound interest, compounded annually, on an amount of ₹35,000 at 12% for 3 years.
Mohan bought 52 books for Rs 1130 from one shop and 44 books for Rs 920 from another. What is the average price (in Rs) he paid per book ?
Anwesha sells two handbags, one at a profit of 18% and the other at a loss of 18%. If the selling price of each handbag is ₹450, then what is the overall percentage of profit or loss?
Two banks, A and B, offered loans at 3.5% and 6% per annum, respectively. Ajay borrowed an amount of ₹340000 from each bank. Find the positive difference between the amounts of simple interest paid to the two banks by Ajay after 3 years
Jitesh and Kamal can complete a certain piece of work in 7 and 11 days, respectively, They started to work together, and after 3 days, Kamal left. In how many days will Jitesh complete the remaining work?