Solution:

There is no smoke with an electric train.

Solution:

'five'

Its the count of alphabet

Solution:

2100 miles.

Each vowel equivalent to 500 and each consonant equivalent to -200

Solution:

To do this, he must be pushing the cork inside the bottle and then taking out the coin.

Solution:

Selfie
Explanation:
: Selfie = is six letter word
: Self = The first four letter is me.
: e = The second and last letter are the same.
: fee = The fourth second and last letter are payment.

Solution:

NONE, holes are empty.

Solution:

It is not possible to guess only three fruits correctly: the fourth fruit is then correct too! So nobody has guessed three fruits correctly and 123-43-39-31 = 10 people have guessed four fruits correctly.

Solution:

The ball will take infinite bounces before it is stopped. As per the question it will keep on bouncing half way up every time it hits the ground. But gravity will play its part at certain point of time which will make it stop.

Solution:

There are three roses and four bees.

Solution:

fIvE thOUsAnd(5000)

Solution:

XIX is the answer which refers to nineteen in roman numeric system. On taking out one i.e. I, we will get XX that is equal to twenty.