Question

**Math Riddle** (for those who are bored)

Using only two 2's and any combination of mathematical signs, can you make the solution 5?

Answer 1

2^2 + 2^0 ?

Answer 2

You used three 2's, incorrect

Answer 3

hmmm.... i kept trying but i couldn't find anything lawlz :P

but I'm interested to hear the answer :) and learn why!! haha :P

Answer 4

well i did 2 /2 + 2 +2

Answer 5

thats only think i can think of

Answer 6

but u can only use two 2's right?

Answer 7

Again you are only allowed to use two 2's :)

Answer 8

i feel like u need to like square something and then get the square root of it lol.. just a guess, but idk how to!! ugh so frustrating :(

Answer 9

Hint: a decimal point is allowed

Answer 10

omg i was about to ask that

Answer 11

so yeahhh I'm out of guesses and ideas... and yeah @ChmE i was thinking of like a decimal... I'm thinking like .2 will be used... but i have like noooo idea :P cuz 2 x 2 won't work nor will anything else like as simple as that :/ hard riddle u got there :P

Answer 12

.2^-2 = 25 ...sqrt that and you have 5

Answer 13

that correct?

Answer 14

You have to think outside the box

Answer 15

or something else?

Answer 16

hmm that looks right to me! :D

Answer 17

@Spectrum got it!!!

Answer 18

\[\sqrt{.2^{-2}}\]

Answer 19

cool

Answer 20

nice job @Spectrum!! this was quite a confusing little riddle lol :P thanks for posting it @ChmE :)

Answer 21

haha, yw

Answer 22

i was at first htinking about just - + x / but then i saw the only 2 twos . so i was figuring must have more than just that

Answer 23

decimel hint did it i wasn't sure if you could use it or not
medal to chme :D

Answer 24

that was really good brain teaser

Answer 25

I have another one, less math involved. It was posted on here a while ago and I tweaked it a bit so it would be easier to understand. Do you feel like another?

Answer 26

eh sure

Answer 27

im waiting on help with my question

Answer 28

@RadEn check you pms?