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

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

Replace the question mark with the correct number in below Picture:

Why is 6 afraid of 7?

Can you find out the number that should replace the question mark with a valid reason?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

If Rajina's daughter is my daughter's mom, who am I to Rajina?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

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?