Instructions
In each of the following questions, some equations are solved on the basis of certain system. Find out the correct answer for the unsolved equation on that basis.
Solution
The pattern followed is that all the numbers are added and twice of the middle number is subtracted from the sum to obtain final result.
Eg : 2 × 4 × 6 = $$(2+4+6)-(2\times4)=12-8=4$$
and 9 × 3 × 7 = $$(9+3+7)-(2\times3)=19-6=13$$
and 4 × 7 × 6 = $$(4+7+6)-(2\times7)=17-14=3$$
Similarly, 9 × 7 × 8 = $$(9+7+8)-(2\times7)=24-14=10$$
=> Ans - (A)
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