Replace the question mark with the correct number in the below-given picture?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

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?

A dying old man wants to divide his entire land between his only two sons. Since his only wish is to treat them as equal as both of them have been too good to him, he wants to divide his land equally between them. The problem is that the land is significantly irregular in shape and thus there is no choice of cutting them into two equal halves.

Can you help him divide the land in a manner that both of his sons will be happy?

Which point will the car reach to go out?

What goes through cities and fields, but never moves?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day