Only one in 10 people can pass this basic math test without using a calculator — but there's a simple trick to do it

• Playbuzz user Bruce Boyena recently created a basic math test involving simple addition, subtraction, multiplication, and division.
• However, you can't use a calculator.
• "Only 1 in 10 people will be able to pass," Boyena claimed on his quiz.
• His test has gone viral, and some people seem to be stumped.
• An easy trick is to round numbers to the nearest multiple of five, and estimate the answer.
• Then, just use the process of elimination to choose the option that's closest to your estimate.
• Test your skills on the three examples below or head to Playbuzz to take the full test and see the solutions.

If you round the numbers to the nearest multiple of five, you can breeze through the questions.

Although this trick isn't always foolproof, you can do the math quickly and easily in your head.

Depending on what numbers you round to, you may have to decide between two likely options.

For larger numbers, just round to the nearest 100, 1,000, 10,000, or 100,000.

Take the full test to find out if you have what it takes and see the solutions at Playbuzz.