Question

Find the Value of 1/8 + 999 (71/72) × 9

A 8864 Correct Answer Incorrect Answer
B 8000 Correct Answer Incorrect Answer
C 8960.62 Correct Answer Incorrect Answer
D 9000 Correct Answer Incorrect Answer

Solution

1/8 + 999 (71/72)× 9 => 1/8 + (72×999+71)/72 × 9 => 1/8 + (72×999+71)/8 => 1/8 + [((1000-1)×72+71)/8] => 1/8 + (72000-72+71)/8 => 1/8 + (72000-1)/8 => (1+72000-1)/8 = 72000/(8 ) = 9000

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