Puzzles and IQ tests | withastory.in

8 – 4(2x + 5) = 3(7x – 2) + 5: One overlooked detail and the solution becomes unattainable

Two parentheses, negative numbers and variables on both sides of the equation. This equation requires not only knowledge of the procedure, but more importantly, steady nerves and care at every…

O. Müller

6x + 3(2x – 7) = 8(1 + x) – 3x + 2: Only a few steps are needed to get the correct result

At first glance, it looks like an ordinary workbook equation. But once you get into it, you’ll find that any overlooked detail can turn the result upside down. Are you…

O. Müller

Can you solve the equation (3x – 2) + 5x – 8 = 7x + 4(x + 3) + 6? Try it out

This is not an equation for the impatient. Six terms, two parentheses, and the result hidden at the end of a careful calculation – this is exactly the kind of…

O. Müller

(x + 5) + 6(2x – 1) = 5 – 4(x – 3): mathematics in play: Try this equation and see where you stand with algebra

Did you know that most of the errors in linear equations occur not in the calculation itself, but in the expansion of the parenthesis with a negative coefficient? That’s exactly…

O. Müller

3(2x + 1) – 5 = 2(4x – 3) + 6: Only those who are not in a hurry can solve it correctly

Two brackets, four steps and a result that may surprise you with its simplicity. But getting it right – that requires attention to every single step. Can you do it?…

O. Müller

Everyone thinks they can do it: -3(5x – 4) + 7 = 2x + 4(3x + 1) – 6

It is said that whoever can master equations with parentheses by heart has analytical thinking in his little finger. See for yourself – this example is the perfect test of…

O. Müller

Logic challenge: What pattern appears after the layout?

Do you like puzzles that test your imagination? Then go on. Today’s logic challenge takes you into the world of jigsaw puzzles and cut-out puzzles. Do you remember cutting out…

O. Müller

Everyone thinks they know… but only 10% of people can guess the correct number of holes!

This article presents a short IQ test from a picture that will test your perception and logical thinking. Just look closely at the t-shirt illustration and see if you can…

O. Müller

A challenge that will test your spatial imagination

Are you ready to test your imagination? Today’s logic challenge will take you into the world of jigsaw puzzles and cut-out puzzles, where your task will be to figure out…

O. Müller

Math Challenge: -4x + 15 = 5(3x – 8) + 9. What number is hidden under the unknown x?

Math can be tricky sometimes. All it takes is one overlooked detail and the result is wrong. Today, you’ll find a linear equation that will test how well you know…

O. Müller