Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

what does the below rebus mean?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

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

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What has to be broken before you can use it?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?