Only people with extremely high IQs can solve this puzzle.

The question below is a simple calculation in the textbook of elementary students, but not all adults can find the correct answer in a short time. Many people even shake their heads in disappointment because they cannot find a number that satisfies the conditions of the calculation given in the question.

The problem gives 3 cups of water (blue, yellow, black) with the given data that 3 blue cups added together = 42; blue cup + 2 yellow cups = 24; yellow cup + black cup + blue cup = 26. The question is how much is a blue cup + black cup - yellow cup?

Please observe carefully to give the correct answer. Advice for you: take a pen and paper and calculate carefully to avoid confusion.

If you find the answer, quickly register yourself in the top smartest people by leaving the answer in the comment box below.

Khanh Son

Source: https://vtc.vn/chi-nguoi-iq-cuc-cao-moi-giai-duoc-cau-do-nay-ar853594.html