Skill Rack
Daily MCQ Answer and Solution
Date : 28/03/2019
REFID: 23448
A positive number when decreased by 2 is equal to 15 times the reciprocal of the number. The number is
Answer : 5
Solution :
suppose the positive number is n.
hence,
n-2= 15/n
n^2 -2n -15 = 0
(n-5)(n+3) = 0
n = 5 (n is positive number)
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