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If 4 * 2 = 3Â and 8 * 4 = 3 , then 21 * 7 = ?
1.
If 4 * 2 = 3Â and 8 * 4 = 3 , then 21 * 7 = ?
A.
4
B.
3
C.
8
D.
16
Answer» B. 3
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