Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

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

How can you make a TV, a bed, a dog, and a car liquid?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

How many times do a clock's hands overlap in a day ?

Can you find the key in the picture below?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

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