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Question
(888 + 777 + 555) = (111 × ?)
Options
120
280
20
140
Solution
20
(888 + 777 + 555) = (111 × ?)
⇒ (888 + 777 + 555) = 111 × (8 + 7 + 5) [By taking 111 common]
= 111 × (20) = 2220
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