Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Can you identify the hidden rebus in the image below?

What happened when the wheel was invented?

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

Find the missing number in the image below.

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What has many keys but can’t open a single lock?

What has hands, but can’t clap?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?