Are you mentally strong with Math?

  1. Developed by: Benny

How good is your mental Math? Can you do Math well in your head? Take this "not that easy" quiz to find out. Try not to use a calculator!

Question 1: 57+26
93
25
83
73

Question 2: 34+58+129
245
221
218
231

Question 3: 34*8*2
544
512
474
456

Question 4: 168-231-32
-124
-114
-95
-94

Question 5: 256x23x8
46104
22321
47104
35744

Question 6: 1234.67+347+568.245
2149.315
2149.915
2349.145
2035.915

Question 7: 620/20/0.5
64
62
155
15.5

Question 8: 1*2*3*4*5*6*7*8*9*10
3628800
1759955
2204400
3406600

Question 9: 532.156-237.368-(-123.01)
171.778
428.798
405.654
417.798

Question 10: 123+23+3+0.3+0.03
149.330
146.33
147.3030
143.303

Question 11: 2+2*3-5
3
8
-8
7

Question 12: -7+2/1-2*3
-21
-11
1.67
-7.67

Question 13: 10-2*5+10-2*5
240
0
390
40

Question 14: 1/2*3/4*5
1.875
0.075
0.2083333...
0.0083333...

Question 15: 2*0*2*0-2*0+1
-2
-1
0
1

t < 10 min

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The quiz is developed on: 2009-03-01

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