Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Can you find out the missing number in the grid?

Do you know who was buried in John's tomb?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Which alphabet is a part of our body?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Can you solve the rebus below?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700