There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

With the help clues provided in the image, can you find the 5 digit key?

Can you count the number of triangles in the given picture?

Can you count the number of triangles inside a triangle?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

How many Watermelons are there in the below picture?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?