Find the next number in the sequence

5 12 24 36 ?

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

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

What has 88 keys?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

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

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?