What is the largest number you can write with just 3 digits ?
See also best riddles or new riddles.mathshort
How many times do a clock's hands overlap in a day ?
Two planes take off at the same exact moment. They are flying across the Atlantic. One leaves New York and is flying to Paris at 500 miles per hour. The other leaves Paris and is flying to New York at only 450 miles per hour. Which one will be closer to Paris when they meet?
They will both the same distance from Paris when they meet!logicmathshort
Can you find four consecutive prime numbers that add up to 220?
47 + 53 + 59 + 61 = 220cleanmathshort
Divide 110 into two parts so that one will be 150 percent of the other. What are the 2 numbers?
44 and 66.logicmathshort
Take 9 from 6, 10 from 9, 50 from 40 and leave 6. How is it possible?
SIX - 9 (IX) = S
9 (IX) - 10 (X) = I
40 (XL) - 50 (L) = Xlogicmathshort
Can you arrange four 9's and use of atmost 2 math symbols, make the total be 100?
99 / .99logicmathshort
Think of a number. Double it. Add ten. Half it. Take away the number you started with. What is your number?
Your number is 5. logicmathshort
There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.
How many marbles are in the box ?
There are 3 marbles (1 blue, 1 green, and 1 red).logicmathshort
In a new Engineering Hostels they have 100 rooms. Ankit Garg was hired to paint the numbers 1 to 100 on the doors. How many times will Ankit have to paint the number eight ?
What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
100. Looks hard? Don't worry, just work it backwards and you'll find it very easy.