Square Root 12345678987654321

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?




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How much did the widow receive?

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There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

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Using Only Five 5's and any mathematical operator make sum as 37

Math Magic Possible

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Use the digits from 1 up to 9 and make 100.

Follow the rules.
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=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

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Can you solve below mathematical equation?

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Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

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We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
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4 4 4 = 6
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6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

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If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

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