Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Can you tell a 3D object that has just two surfaces?

Find the smallest sentence with all the English alphabet.

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

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Replace the question mark in the picture below.

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.