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?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

What makes this number unique: 8,549,176,320?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Identify the hidden meaning behind this picture?

1. Where does Easter come from before Valentine's Day?

2. Do you know what is in the middle of Valentine's?

3. What did the lady bee say to the man bee on the occasion of Valentine's Day

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.