Select the figure that will come next in the following figure series. ?
By Interchanging the given two numbers which of the following equation will be correct?
1 and 7
7 × 2 + 1 - 5 = 6
1 × 2 - 7 + 8 ÷ 2 = 16
7 + 1 × 2 - 6 ÷ 3 = 13
7 + 6 ÷ 3 - 5 × 1 = -10