Math & Number
Logic
Logic
If you multiply this number by any other number, the answer will always be the same. What number is it?
Zero.
Any number × 0 = 0.
A man looks at a portrait and says, “Brothers and sisters, I have none, but that man’s father is my father’s son.” Who is in the picture?
His son.
“My father’s son” = the man himself, so the picture is of his son.
What comes next? 2, 4, 8, 16, __ ?
32.
Each number doubles the previous one.
What can you catch but not throw?
A cold.
It’s a play on the idiom “catch a cold.”
What gets wetter the more it dries?
A towel.
It absorbs water while drying you.
A man says he has four daughters, and each daughter has a brother. How many children does he have?
5
All daughters share the same brother.
You enter a dark room with one match and find a candle, a lamp, and a fireplace. What do you light first?
The match.
You can’t light anything before lighting the match.
What’s the next letter in the sequence: J, F, M, A, M, J, J, A, S, O, N, __ ?
D.
The first letters of months (January–December).
Two fathers and two sons go fishing. They catch three fish, and each gets one. How is that possible?
Grandfather, father, and son.
Three people — fits both roles.
What can travel around the world while staying in the same corner?
A postage stamp.
It’s on an envelope’s corner.
What 3 positive numbers give the same result when multiplied and added?
1, 2, and 3.
1×2×3 = 6 and 1+2+3 = 6.
A rooster lays an egg on a slanted roof. Which side does the egg roll off?
Neither.
Roosters don’t lay eggs.
Find the odd one out: Apple, Banana, Mango, Tomato.
Tomato.
It’s the only one that’s technically a vegetable (fruit in botany, but treated as a vegetable).
What gets sharper the more you use it?
Your brain (or mind).
Practice improves thinking.
What’s always in front of you but can’t be seen?
The future.
You can’t see it, but it’s ahead.
You buy a $97 item and pay with $100. The cashier gives you $3 change. Later, you realize you paid with a fake $100 bill. How much did the store lose?
$97.
The store lost the item’s value; the fake bill and $3 cancel out.
A plane crashes on the border of the U.S. and Canada. Where do they bury the survivors?
Nowhere.
You don’t bury survivors.
If yesterday’s tomorrow is Sunday, what day is today?
Saturday.
Yesterday’s tomorrow = today → today is Sunday → yesterday = Saturday.
A man stands on one side of a river, his dog on the other. He calls the dog, and it crosses without getting wet or using a bridge. How?
The river was frozen.
The dog walked over ice.
What can fill a room but takes up no space?
Light.
It’s intangible.
There are 100 people in line. You are number 50. If every second person leaves the line, what number in the new line are you?
25.
Every second person leaves, so you move up by half.
A man pushed his car to a hotel and lost his fortune. What happened?
He was playing Monopoly.
The car is a game piece.
1 = 5, 2 = 25, 3 = 125, 4 = 625, then
5 = ?
3125.
Pattern: multiply by 5 each time (5ⁿ).
Two men sit in a café. One drinks his coffee quickly, the other slowly. The slow drinker dies of poisoning, but the fast one is fine. The poison was in the coffee. How?
The poison was in the ice cubes.
The fast drinker finished before the ice melted; the slow drinker didn’t.
Imagine you’re in a room with no doors or windows. How do you get out?
Stop imagining.
The scenario only exists in your imagination.