You need to move three matchsticks to form three squares. Can you do it?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

A sundial has the fewest moving parts of any timepiece. Which has the most?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Replace the question mark with the correct number below.

Can you find the dog hidden in a group of pandas?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?