A) \[n = 21 and x = 7\]
B) \[n=7and x=21\]
C) \[n=21 and x= 21\]
D) \[n=21 and x=14\]
Correct Answer: A
Solution :
The basic number (x) of wheat is 7. Thus,\[6x = 2n =42 and\,\,n-=21\].
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