Some equations are solved on the basis of some system. |
Using the same, solve the following equation. |
\[4\times 5\times 6=645\] |
\[5\times 6\times 7=756\] |
\[6\times 7\times 8=?\] |
\[8\times 7\times 9=987\] |
A) 768
B) 867
C) 876
D) 678
Correct Answer: B
Solution :
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