A man dies of old age on his 25 birthday. How is this possible?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Which Burger Is Different in below image?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

John was piloting a plane behind a car but was never able to overtake it. Why?

A bomb exploded in a room full of married couples and no one died. How?