2, 3, 5, 9, 17, _ What is the next number in the sequence?

The owner of a popular clothing store comes up with his own method of pricing items. A vest costs $8, socks cost $10, a tie costs $6, and a blouse costs $12. Using the owner’s method, how much would a pair of underwear cost?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Count the number of balls in picture below:

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

What month of the year has 28 days?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?