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

The centre of the third figure is empty. What digit should fit inside?

Solve below rebus puzzle?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

They are three errirs in this question. Can you find them?

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?