Which tank will fill first?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

What does this rebus riddle mean?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What does the below mathematical rebus mean?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

People put me on the table and cut me but do not eat me. What am I?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?