Number System Practice Test 4

Question : 33 of 40

Marks: +1, -0

The excess of thrice a certain number over 11 is 19. The number is—

Solution:

Let the number is x.

∴ 3x – 11 = 19

⇒ 3x = 19 + 11 = 30

∴x=30/3=10

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