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Question

Find the value of a:
43=a×4+1×3

_____


A

10

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B

7

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C

40

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D

1

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Solution

The correct option is A

10


Express the number 43 in its expanded form.
43=4×10+3×1
Comparing the above equation with the equation given in the question.
43=a×4+1×3

Since 4 is in ten's place, a = 10 .


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