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's a single-digit number with no value?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?