Spot 5 differences in two Christmas tree below:

Can you count the number of blocks in the picture below?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Solve the mathematical equation in the picture below.

Can you find the missing piece of the Porsche?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Why do we preferably have round manhole covers and not square ones?

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?

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

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

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?