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This No-Calculator Math Test Is Stumping People With A PhD

This No-Calculator Math Test Is Stumping People With A PhD

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One person's constant is another person's variable

One person's constant is another person's variable

Even people with a PhD cannot get a perfect score in this tricky, strictly no-calculator math drill. Can you score at least 15/25? Give it a shot, and let us know how well you did.

John is taller than Jon, and Jane is shorter than John. Which is accurate?

What comes next in the series:

24, 23, 21, 18, 14, __

What is the square root of 225?

Which is divisible by 4 without a remainder?

Lucy, 12 years old, is three times as old as Kim. How old will she be when she's twice as old as Kim?

I have figs. I eat 1 and give half the remainder to Rob. I eat another, and throw half of what's left away. I now have 5 figs. I started with...

8 + 8 ÷ 8 + 8 x 8 – 8 = ?

I bought lunch for 3 friends. If I spent $30 and had to pay a 15% tip, what was the tip?

My grandson weighs 44 pounds plus half his own weight. How much does he weigh?

If X is bigger than Y but smaller than Z, then:

Pick 3 different numbers whose product and sum always give the same answer

Eric's salary is $2000 more than Rachel's. Together they make $5800. Rachel makes...

A plane flew for 4 hours AGAINST a 10 mph wind. It then flew for 3 hours WITH the same wind. The plane flew 3560 miles. Find the rate of the plane in still air.

When you add the square root of 81 to 12 squared, what do you get?

1 + 1 × ¼ + 1 − 1 = ?

Ron was 0.3 of his father's age this year. If he's 12 this year, how old was his father when he was born?

When I get multiplied by any number, the sum of the figures in the product is always me.

What am I?

Which is divisible by 7 without a remainder?

Which number is equal to the quarter of its square?

During a 5-day festival, the number of visitors tripled each day. If the festival opened on a Thursday with 345 visitors, what was the attendance on Sunday?

The average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?

You reduce the price of a product by 20%. What percentage of the reduced price must you increase to put the product back to its original price?

Which number doesn't belong in the following series:

0, 1, 2, 4, 9, 16

Simon bought a boat for $6300. He then sold it for 15% profit. How much money did he sell the boat for?

10 x 0.25 = ?

How much did you like this quiz?

How much did you like this quiz?