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The tail of b is placed at the head of a. The resultant a + b runs from where to where?
ATail of a to head of b
BHead of a to head of b
CTail of b to tail of a
DHead of b to tail of b
Answer & Solution
Correct answer: A. Tail of a to head of b
Joining the start of the first arrow to the end of the second arrow gives the sum.
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