Question 18

If 8 # 2 @ 5 = 21 and 4 # 6 @ 2 = 26, then what will be 3 # 7 @ 9?

Solution

here # = $$ \times $$

@ = +

substitute and solve 3 # 7 @ 9 = $$ 3 \times 7 + 9 $$

=30

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