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?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

Can you replace the question mark with the correct number?

What is the end of everything?

Whats the next number in the below number sequence pattern.

What can go through glass without breaking it?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

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