GIVEN,'L' STANDS for '+' , 'M' stands for '-', N stands for 'x', P stands for '÷'14 N 10 L 42 P 2 M 8 = ??∴ 14 x 10 + 42 ÷ 2 - 8 = 140 + 21 - 8∴ = 161 - 8 = 153Hence, the correct answer is 153.