1.

If, in a two digit number, the digit at unit place is x and the digit at tens place is 4, then the two digit number is ______(A) 40 + x (B) 4x (C) 40x + 4 (D) 10x + 4

Answer»

Correct option (A) 40 + x

Explanation:

Expanded form of two digit number = 10y + x .....(i) 

where, digit on unit place = x 

digit on ten’s place = y = 4

Putting y = 4 in equation (i) 

Number = 10 × 4 + x = 40 + x



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