Question
The average of four consecutive odd numbers A, B, C and D respectively is 24. What is the product of B and D ?
Answer: Option C
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x + x+2 + x+4 + x+6 = 4 * 24
=> 4x + 12 = 96
=> 4x = 96 - 12 = 84
x = 84/4 = 21
B = 21 + 2 = 23
D = x + 6= 21 + 6 = 27
B * D = 23 * 27 = 621
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