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

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

Find the next number in the series.
1 10 24 43 67 ?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Can you identify the Oscar-winning movie from the rebus below?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

Can you find the odd number in the following?

2716, 4135, 5321 and 7145