Question

please answer fast maths problem​

Answer 1

The answer of your 3rd question is 200.

${3}^{2} \times 2 = 18 \\ {4}^{2} \times 2 = 32 \\ {5}^{2} \times 2 = 50 \\ {6}^{2} \times 2 = 72 \\ {7}^{2} \times 2 = 98 \\ {10}^{2} \times 2 = 200$