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Question
Find the value of x if 45% of marks x is 405.
Sum
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Solution
Given, 45% of marks x is 405.
∴ `45/100 xx x = 405`
⇒ `x = (405 xx 100)/45`
⇒ x = 900 marks
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Chapter 7: Comparing Quantities - Exercise [Page 205]
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