A number 10k3 is divisible by 11. Find the value of k.
Find the odd one out.
Find the next number in the sequence:
2, 4, 12, 48, 240, (....)
8 boys A, B, C, D, E, F, G, and H have to be seated on 8 chairs. How many different ways can they be seated?
A and B starts a business a capital of Rs.6000 and Rs.8000. Then in what should they divide there profit after 11.5 years.
The simple interest on a certain sum for 2 years at 10% per annum is Rs. 90. The corresponding compound interest is
If a number is chosen at random from the set {1, 2, 3, ..., 100}, then the probability that the chosen number is a perfect cube is -.
In a kilometer race, A beats B by 40 meters or by 5 seconds. What is the time taken by A over the course?
There are three numbers. 5/7th of the first number is equal to 48% of the second number. The second number is 1/9th of the third number. If the third number is 1125, then find 25% of the first number.