The average of four consecutive even numbers P, Q, R and S respectively is 55. What is the product of Q and S? Options: A . &nbsp3123 B . &nbsp3135 C . &nbsp3132 D . &nbsp3125 E . &nbspNone of these

The average of four consecutive even numbers P, Q, R and S respectively is 55

Question

The average of four consecutive even numbers P, Q, R and S respectively is 55. What is the product of Q and S?

Answer: Option C

x + x+2 + x+4 + x+6 = 55 * 4

=> 4x + 12 = 220

=> 4x = 220 - 12

=> x = 208 / 4

=> x = 52

P=52 Q=54 R=56 and S=58

Therefore Q * S = 54 * 58 = 3132

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