Problems based on Numbers Test 3

Question : 16 of 40

Marks: +1, -0

Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

Solution:

Let the positive number be x; then

(x + 17) = 60 ×1/x

⇒ x^2 + 17x - 60 = 0

(x + 20) (x - 3) = 0

⇒ x = 3

(only positive value)
Hence, number = 3

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