Number System Practice Test 1

Question : 5 of 40

Marks: +1, -0

What should be the maximum value of B in the following equation?
5A9 – 7B2 + 9C6 = 823

Solution:

\table ,1,1,,;,5,A,9;+,9,C,6;-,7,B,2; ––, ––, ––, ––;,8,2,3

Here, 1 + A + C – B = 12
⇒ A + C – B = 11
By putting A = C = 9, we get B = 7

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