Spot 5 differences in two Christmas tree below:

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

Why is Saturday stronger than Monday?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

What does this rebus means ?

PROG WORKRESS

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

I know a nine-letter word having only one vowel.
Do you ?