Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Using eight eights and addition only, can you make 1000?

I am quite hot but become too cold if you remove the first two letters. What am I?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

What can you see in the middle of March and April that you can never see in any other month?

Count the number of triangles in the below picture?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?