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?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

What do you get if you add 2 to 100 four times?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

Prove that the below maths equation is true.

8 + 8 = 91

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What does this rebus means ?

PROG WORKRESS

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?