List of top Mathematical Ability Questions

Ram is 6 years older than Sita and Sita is 8 years older than Rahul. After 8 years, if Ram will be twice as old as Rahul, then 4 years ago, Sita’s age was _____.
The L.C.M. of two prime numbers is 1271. Then what is the sum of those primes?
A pipe can fill a tank in 5 hours. Due to a leak at the bottom, it is filled in 10 hours. If the tank is full, then the time (in hours) that the leak takes to empty that tank is _____.
If $x = 3 + 2\sqrt{2}$, then the value of $\left(\sqrt{x} - \frac{1}{\sqrt{x}}\right)$ is:
It is given that $(2^{32} + 1)$ is completely divisible by a whole number $w$. Which of the following numbers is completely divisible by this number $w$?
A person A can complete a work in 12 minutes. The persons B and C are respectively 25% and $33\frac{1}{3}%$ more efficient than A. If all three work together, the number of minutes they take to complete the work is _____.
A, B, and C invest in a ratio of 2:3:5. After one year, C withdraws his amount. If the total profit after 2 years is Rs.1,00,000, then the share of B is:
A trader allows two successive discounts of 20% and 10% on an item marked Rs.500. Then the selling price is:
The ratio of two numbers is 5:8. If 40% of the sum is 104, find the numbers.
A train can travel 50 percent faster than a car. Both start from point A at the same time and reach point B, 75 kilometers away, at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. Speed of the car is _____.
A and B travel the same distance with 60 km/hr and 90 km/hr respectively. If A takes 9 hrs to cover the distance, then the time taken by B is _____ hrs.