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

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

[A].

3

[B].

10

[C].

17

[D].

20

Answer: Option A

Explanation:

Let the number be x.

Then, x + 17 = 60
x

x2 + 17x – 60 = 0

(x + 20)(x – 3) = 0

x = 3.