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?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

I’m tall when I’m young, and I’m short when I’m old. What am I?

Find the number of squares in the below picture

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

What has hands, but can’t clap?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?