How Clever Are You At Maths

Try to answer all these hard maths questions in 5 minutes, use a calculator if you want, if you do, you're dumb. Now that hard.
Quiz by
GotMyAGame
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Last updated: March 7, 2018
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First submittedMarch 7, 2018
Times taken277
Average score75.0%
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Question
Answer
21x21
441
658+1170
1,828
99-250
-151
750 divide 5
150
30x120
3,600
457+38020
38,477
1000000-10000
999,000
3600 divide 30
120
54x20
1,080
87654321+9876543210
989,964,197,531
121-21
100
250 divide 2
125
369x3
1,107
72+2772
2,844
8642-3579
5,063
9742 divide 2
4,871
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3 Comments
+1
Level 87
Mar 8, 2018
The answer to the long addition problem looks incorrect. I think you have an extra 2 digits at the beginning of the answer
+1
Level 21
Jul 9, 2018
you have 2 answers incorrect

1000000-10000 = 990000

87654321+9876543210 = 9964197531

If you could kindly correct this, please

+1
Level 59
Jan 28, 2021
You still have 2 answers incorrect even though the comment was posted over two and half years ago