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Question

What value should come in place of the question-mark (?) in the following questions:

1/6+ 999*53/54  ×9  = ?

A 8100 Correct Answer Incorrect Answer
B 9000 Correct Answer Incorrect Answer
C 10800 Correct Answer Incorrect Answer
D 5400 Correct Answer Incorrect Answer
E 10860 Correct Answer Incorrect Answer

Solution

1/6+ 999 53/54  ×9   ⇒ 1/6+  ((999 ×54)+53)/54  ×9   ⇒ 1/6+  ((1000-1)54+53)/54  ×9   ⇒ 1/6+(54000-54+53)/6 ⇒ 1/6+(54000-1)/6  ⇒  (1+54000-1)/6 = 9000

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