Discussion :: IBPS BANK EXAM TEST 3
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The average of four consecutive numbers A, B, C and D respectively is 56.5 What is the product of A and C?
Answer : Option E
Explanation :
x+x+1+x+2+x+3 = 4 * 56.5
=> 4x+6 = 226
=> 4x = 220
=> x = 55 = A
and C= 57
∴ A * C = 55 * 57 = 3135
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