Tim came second in Math. When his mother asked him how much he had scored, he answered that he got the sum of the first 9 even numbers. His mother immediately worked out the answer. How much had he scored in Math? Select the correct option:  A) 80  B) 90  C) 30  D) 70  E) 60
90   90   Sum = (n x n) + n   Hence, 9 x 9 = 81 + 9= 
<gadget id="calculator">81 + 9</gadget>
<output>90</output>
90
<result>B</result>
Tim came second in Math. When his mother asked him how much he had scored, he answered that he got the sum of the first 9 even numbers. His mother immediately worked out the answer. How much had he scored in Math?