Why should you never mention the number 288 in front of anyone?

Answer: Because 288 is too gross. (A gross is 144, so 2 gross is 144 x 2 or 288)

More Math Riddles with answers

More Math Riddles

Why was the math book always so depressed?
You go to the doctor because you're ill and he prescribes you with 3 pills and tells you to take them every half hour. How long do the pills last you?
You have 14 brown socks, 14 blue socks and 14 black socks in your sock drawer. How many socks must you remove (without looking to be sure) to have a matched pair?
You have 14 brown socks, 14 blue socks and 14 black socks in your sock drawer. How many socks must you remove (without looking to be sure) to have a matched pair?
Your shirt has two holes in it. How many holes are there?
'How much is this bag of potatoes?' asked the man. '32lb divided by half its own weight,' said the green grocer. How much did the potatoes weigh?
2 men catch 2 fish in 2 minutes. At this rate, how many men could catch 500 fish in 500 minutes?
20+20+20=60. How can you make 60 again by using the same number 3 times, but it can’t be 20?
8, 5, 4, 9, 1, 7, 6, 3, 2 These numbers are in a specific order. What is the pattern?
81 x 9 = 801. What must you do to make the this equation true?
A 300 ft. train is traveling 300 ft. per minute must travel through a 300 ft. long tunnel. How long will it take the train to travel through the tunnel?
A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?