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Mental Arithmetic Hard

Below are 21 hard mental arithmetic exercises, you’ll have to solve them as fast as possible without the use of a calculator. Have fun and good luck, you’ll need it!

Prepare for the basic numeracy tests used by employers with JobTestPrep.

Start the test!

1. 882 / 14 x 12 =
2. 210 =
3. 16 x 63 - 1214 =
4. 6666 - 422 =
5. 17 x v529 =
6. (24 + 89) / 8 =
7. 140,368 - 12,439 =
8. 1247812 - 987432 =
9. (-163 + 847) / 8 =
10. 7032 / 4 - 758 =
11. (19 x 433) + 4662 =
12. -172 - 1348 =
13. 3v1331 =
14. -112386 + 2479398 =
15. 32,52 =
16. 4852 / 4 x 3 =
17. 74 =
18. -12345 - 16012 + 12015 =
19. -1376 / 86 / 128 =
20. 12 x 7 x 17 =
21. 418,12 x 6 - 312,18 =