BRAIN TEASERS

enter your answer and press button OK

Calculate the number 175

Calculate the number 175 using numbers [4, 4, 6, 5, 20, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 64

The first user who solved this task is Sanja Šabović.

#brainteasers #math

Register with your Google Account and start collecting points.

Check your ranking on list.

Math Wiz

After writing a simple equation on the board the teacher asked if anyone could solve the problem.
Little Johnny walked up to the board, erased it and said, “Problem Solved.”

Jokes of the day - Daily updated jokes. New jokes every day.

Follow Brain Teasers on social networks

Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

First Earth orbit by man

In 1961, Yuri Gagarin became the first man to orbit the Earth. His spacecraft, Vostok 1, had radio, television and life-support equipment to relay information on his condition. The flight was automated. Gagarin's controls were locked to prevent him from taking control of the ship, although a key in a sealed envelope was provided in case of an emergency. After e-entry, Gagarin ejected and made a planned descent with his own parachute. However for many years the Soviet Union denied this, because the flight would not have been recognized for various FAI world records unless the pilot had accompanied his craft to a landing. Gagarin died in a plane crash 7 years later.«

This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.