What does an Island and the letter T have in common?

Can you count the number of triangles in the given figure?

Find the next number in the series below

21 32 54 87 131 ?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

Can you place three balls such that the equation shown in the picture holds true?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

How many triangles are there on the puzzle below?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?