Fast Math - Square Roots Quiz (Harder)

In this quiz the answers change every time you play! Solve these randomised square root problems as fast as you can!
Answer must correspond to highlighted box!
All answers are integers
Too hard? Try the easier version: Up to 60 squared
Quiz by
Stewart
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Last updated: November 3, 2019
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First submittedNovember 3, 2019
Times taken18,329
Average score65.0%
Rating4.81
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Problem
Solution
7569
87
40000
200
9409
97
4
2
625
25
21609
147
34969
187
30625
175
29584
172
1024
32
15625
125
400
20
25281
159
1156
34
14161
119
10201
101
26569
163
2304
48
841
29
20449
143
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12 Comments
+2
Level 71
Nov 3, 2019
Nice quiz! Barely got them all
+1
Level 66
Mar 3, 2020
This is just great! Thank you!
+3
Level 62
Jun 30, 2020
great quiz 0:54 remaining on first try

this was tough

+2
Level 25
Apr 5, 2021
somehow got 16 without paper
+2
Level 99
Jul 29, 2021
Ah! You're a part of the "remove the letter 'Z' from our language" conspiracy! Say it isn't so!
+9
Level 68
Jul 29, 2021
I'm not sure, I am British but just because I randomise doesn't mean I don't like Zoos, Zebras, Zootopia and New Zealand!
+1
Level 47
Oct 4, 2021
Not only this, but the letter Z is used twice in the title and description of the quiz (both as part of "quiz")
+1
Level 58
Oct 4, 2021
jeesus christ, that took me a while.
+1
Level 24
May 12, 2022
Last 4 seconds Ugh
+1
Level 46
Jun 7, 2022
i became jesus christ i got it in 19 seconds
+2
Level 74
Mar 11, 2024
Love it, need more. Someone please make another one but the answers go all the way up to 999. This one's great but it stops at 200...my autistic brain needs it to go further
+1
Level 28
Sep 26, 2025
guys does anyone know what the square root of 1 is that question is a real toughie i got all the other ones though