Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

What does this rebus photo means?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Replace the question mark with the correct number below.