Number System Practice Test 5

Question : 2 of 40

Marks: +1, -0

A number which when multiplied by 11 is as much above 180 as it was originally below it. The number is—

Solution:

Let the number is x
∴ 180 – x = 11x – 180
⇒ 180 + 180 = 11x + x
⇒ 360 = 12x,

⇒ x = 360/12=30.

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