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Physics Chemistry

Verbal and Reasoning :: Quantitative Comparison


  An angle of x degrees has property that its complement is equal 10 ? of its supplement where x is
[A]. 180?[B]. 72?
[C]. 30?[D]. 45?
[E]. 120?    

Answer: Option B

Explanation:

90 - x = ? (180-x) ? x = 72


saad said:    
 
the real question is: an angle of x degrees has property that its complement is equal to 1/6 of its supplement, where x is (the above given options) it can be obtained as follows: 90-x = 1/6(180-x) 6(90-x) = 180-x 540-6x=180-x 360=5x x=360/5 x=72

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