'PQ' is the representation for which number?
7 8
+ P Q
1 1 2

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Solution

The correct option is C 34
At the units place 8+Q=2, that means 4 is added to 8 to make it 12, of which 1 is the carry over.
Thus, 7+1+P=11, therefore, P should be 3.
Hence, PQ=34, option (3).

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