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

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What does this rebus means ?

PROG WORKRESS

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Move four matchsticks to the below square to form three squares?

Can you find the missing piece of the Porsche?

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?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Count the number of squares in the picture below.