Be active and find the killer in the picture Riddle below.

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is the next shape from answers A, B, C, and D figure?

Find the hidden tiger in the given optical illusion ?

When we see 2 but call 10?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

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

What does this below rebus puzzle mean?