Do You See It?

Why do we preferably have round manhole covers and not square ones?

Can you place three balls such that the equation shown in the picture holds true?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

I am sure no one can have two things for dinner. what are they?

O_er_t_o_

Complete the missing letters of the given word.

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