Intelligent Math Puzzle – Challenge 90
Do you consider yourself a “math puzzle person”? If so, then let's take a shot at this mathematics challenge and see what you come up with. The solution is given.
Challenge:
In the figure above, A and B represent different digits. What is the value of A × B?
A- 8
B- 12
C- 18
D- 24
E- 30
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The correct answer is D.
A and B represent different digits and A × AB = 108
Therefore, A = 3? Why?
3 × 3B = 108 ⇒ B = 8
Then: A × B = 3 × 8 = 24
Reza is an experienced Math instructor and a test-prep expert who has been tutoring students since 2008. He has helped many students raise their standardized test scores--and attend the colleges of their dreams. He works with students individually and in group settings, he tutors both live and online Math courses and the Math portion of standardized tests. He provides an individualized custom learning plan and the personalized attention that makes a difference in how students view math.
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