If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Solve the alphametic puzzle by replacing the alphabet with the number.

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In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

Replace the question mark with the correct number below.

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

How many times in a given day, minutes and hour clock comes in a straight line ?