If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What Adam and Eve do not have but the rest of the people have?

What four weights can be used to balance from 1 to 30 pounds?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

Christina makes tasty toast in a small pan. After toasting one side of a slice, she turns it over. Each side takes 30 seconds. The pan can only hold two slices.
How can she toast both sides of three slices in 1 & 1/2 instead of 2 minutes?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?