List of top Mathematical Ability Questions on Arithmetic

The population of a city increases by 5% annually. If the present population is 10,00,000, then the population after 3 years is:

The least number which, when divided by 6, 9, 12, 15, and 18, leaves a remainder 5 in each case is:

A man on a boat goes 10 km upstream and comes back to the starting point in the same path in 55 minutes. If the speed of the stream is 2 kmph, then the speed of the boat in still water is:

If 'n!' denotes the product of the integers 1 through 'n', what is the remainder when (1! + 2! + 3! + 4! + 5! + 6! + ....) is divided by 9?

If a number is divided by 15, it gives a remainder of 7. What will be the remainder when the square of this number is divided by 15?

The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4?

In a function hall, 21 yellow chairs, 42 red chairs and 56 orange chairs have to be put in a row such that each row contains the same number of chairs of one colour only. The minimum number of rows in which the chairs may be arranged is:

If today is Monday, then the next 314th day from today falls on the day:

The last digit of $7^{100}$ is: }

The price of an article increases by 20% and then decreases by 10%. Then the net percentage change is:

The average age of 10 children is 14 years. If two children of ages 13 years and 10 years left this group and another two children having ages 7 years and 6 years joined, then the average age of this new group is x. If the two children who left from the original group rejoins this new group, then the average age of this group is less than x by:

In a mixture of 60 liters, the ratio of milk and water is 2:1. If this ratio is to be 1:2, then the quantity of water to be further added is:

A pipe 'P' can fill a tank in 20 hours and another pipe 'Q' in 30 hours. If both pipes are opened in an empty tank, how much time will they take to fill it?

An article A is sold for ₹200 more than selling price of another article 'B'. If 'B' is sold for 5% less than that of 'A' and the cost price of 'B' is ₹2500, then what is the percentage of profit on 'B'?

A 7-digit number 345a812 is exactly divisible by 3. Then the number of possible values of a is:

If selling price of an item is doubled, the profit will be tripled. What is the original profit percentage?

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is:

The smallest five digit number that is divisible by 22, 33 and 44 is:

The number of positive divisors of 2025 is:

Two trains 100m and 150m long, moving at $30~m/s$ and $20~m/s.$, cross each other. The time taken by the trains to cross each other is:

Two trains $T_{1}$ and $T_{2}$ start at the same time from stations P and Q to reach stations Q and P. After passing each other, they take 12 hours and 3 hours to reach their destinations. If the fastest train is 48kmph, what is the speed of the other train?

A finishes a work in twice the time of B and thrice the time of C. Together they take 2 days. Individual times are?

Two products sold at 300 each: one at 20% profit, one at 20% loss. Total Profit/Loss?

In an office, $\frac{1}{3}$ of the employees are women. $\frac{1}{2}$ of the women are married and $\frac{1}{3}$ of the married women have children. If $\frac{3}{4}$ of the men are married and $\frac{2}{3}$ of the married men have children, then the part of employees without children is:

A rectangle has dimensions $15 \times 20$ cm$^2$. Its width is decreased by 5% while its length is increased such that its area remains unchanged. Then the percentage increase in its length is?