All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

What does this rebus mean?

O
N
C
E
TIME

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

I have Rs.50 and I spend it in the way as below.

How can you write nineteen in a manner that if we take out one, it becomes twenty?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

The answer I give is yes, but what I mean is no. What was the question?

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

10+10 and 11+11 can give you the same answer.

Explain how?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?