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Question

43=4×a+3×1,the value of 'a' is .

A
12
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B
10
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C
100
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D
1
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Solution

The correct option is B 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=4×a+3×1
a = 10


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