What question can you never answer yes to?

What's a single-digit number with no value?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

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

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

How can you make number one disappear by adding something to it?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

What does this rebus mean?

O
N
C
E
TIME