question_answer

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 :

Similarly,