Find the next number in the series.
1 10 24 43 67 ?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Can you find out the remainder when 3^300 is divided by 5?

If a wheel has 54 spokes, how many spaces are there between the spokes?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

What goes up but never comes down?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?