A number is selected at random from 1-50 . What is the probability that it is triangular number
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Step-by-step explanation:
The factors of 36 are ( 1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 ) . So 9/50 = 0.18 or 18%
pradeep005:
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