Test your reasoning skills
Can you find the logical relation of the equations and then find the missing number?
If
153=8
233=9
162=8
Then
421=?
Try to solve it yourself and discover the rule that the equations follow.
Scroll down to see the answer
Answer
If the number is ABC the pattern is:
ABC=(AxB) +C
153=1x5+3=8
233=2x3+3=9
162=1x6+2=9
421=4x2+1=9
Correct answer is 9
70 Math reasoning problems-eBook
70 selective math reasoning exercises to practice various arithmetic reasoning patterns
Try to solve them yourself and discover the rule that the equations follow.
In each exercise the answer and detailed reasoning are given to compare your answers and interactively develop your skills.
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