What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

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

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

What can you hold in your right hand, but never in your left hand?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

Find the number of squares in the below-given picture.

I’m orange, I wear a green hat and I sound like a parrot. What am I?