On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

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

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

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Do You See It?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

The centre of the third figure is empty. What digit should fit inside?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Solve the rebus riddle in the picture below.