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

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

What 5-letter word typed in all capital letters can be read the same upside down?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?