If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Find the number of squares in the below picture

Find the hidden panda in the image below.

In the picture given below, can you find out which digit will take place of the question mark?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

What English word has three consecutive double letters?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?