Mind Sports Olympiad 2020 Qualifier Example Mental Calculations
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Mind Sports Olympiad 2020 Qualifier Example Mental Calculations
Practice Question
Practice Question 12 + 34
Practice Question …
Practice Question 12 + 34 46
Q 1: MULTIPLICATION (4 points)
Q 1: MULTIPLICATION (4 points) 41 x 91
Q 1: MULTIPLICATION (4 points) …
Q 1: MULTIPLICATION (4 points) 41 x 91 3731
Q 2: PRIME FACTORS (4 points)
Q 2: PRIME FACTORS (4 points) 1014
Q 2: PRIME FACTORS (4 points) …
Q 2: PRIME FACTORS (4 points) 1014 2, 3, 13
Q 3: EXACT CUBE ROOT (5 points)
Q 3: EXACT CUBE ROOT (5 points) 18191447
Q 3: EXACT CUBE ROOT (5 points) …
Q 3: EXACT CUBE ROOT (5 points) 18191447 263
Q 4: FRACTION ADDITION (5 points)
Q 4: FRACTION ADDITION (5 points) 1 7/10 + 3 7/15
Q 4: FRACTION ADDITION (5 points) …
Q 4: FRACTION ADDITION (5 points) 1 7/10 + 3 7/15 5 1/6
Q 5: CALENDAR DATE (5 points)
Q 5: CALENDAR DATE (5 points) 24/10/1786
Q 5: CALENDAR DATE (5 points) …
Q 5: CALENDAR DATE (5 points) 24/10/1786 Tuesday
Q 6: EXACT SQUARE ROOT (5 points)
Q 6: EXACT SQUARE ROOT (5 points) 26306641
Q 6: EXACT SQUARE ROOT (5 points) …
Q 6: EXACT SQUARE ROOT (5 points) 26306641 5129
Q 7: EXACT DIVISION (5 points)
Q 7: EXACT DIVISION (5 points) 35424 / 48
Q 7: EXACT DIVISION (5 points) …
Q 7: EXACT DIVISION (5 points) 35424 / 48 738
Q 8: MIXED OPERATIONS (5 points)
Q 8: MIXED OPERATIONS (5 points) 99 x 5 + 13 x 8
Q 8: MIXED OPERATIONS (5 points) …
Q 8: MIXED OPERATIONS (5 points) 99 x 5 + 13 x 8 599
Q 9: MULTIPLICATION (6 points)
Q 9: MULTIPLICATION (6 points) 984 x 133
Q 9: MULTIPLICATION (6 points) …
Q 9: MULTIPLICATION (6 points) 984 x 133 130872
Q 10: FRACTION ADDITION (6 points)
Q 10: FRACTION ADDITION (6 points) 12/13 + 4/15
Q 10: FRACTION ADDITION (6 points) …
Q 10: FRACTION ADDITION (6 points) 12/13 + 4/15 1 37/195
Q 11: BEST SQRT IN 60 SEC (1 x points)
Q 11: BEST SQRT IN 60 SEC (1 x points) 165
Q 11: BEST SQRT IN 60 SEC (1 x points) …
Q 11: BEST SQRT IN 60 SEC (1 x points) 165 12. 60952021292
Q 12: BEST DIV IN 60 SEC (1 x points)
Q 12: BEST DIV IN 60 SEC (1 x points) 860 / 1337
Q 12: BEST DIV IN 60 SEC (1 x points) …
Q 12: BEST DIV IN 60 SEC (1 x points) 860 / 1337 0. 643231114…