In CB A + C B A = 1 A 3 0, if A = 5, what is B?

Type: MCQ • Marks: 1

A. B = 1

B. B = 6

C. B = 8

D. B = 2

Explanation

Units: 5 + 5 = 10 (0 carry 1). Tens: B + B + 1 ends in 3 => 2B + 1 = 3 or 13 => 2B = 12 => B = 6.

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Class 7th Ganita Prakash 1

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