Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

How many times in a given day, minutes and hour clock comes in a straight line ?

Can you find out the remainder when 3^300 is divided by 5?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

Find the number of squares in the below-given picture.

People put me on the table and cut me but do not eat me. What am I?

In the four images below, can you find the odd one out?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)