What is both possible and impossible at the same time?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

Which five letter word can be added at the end of below word to form a
valid word?

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In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?