What should come in place of the question mark (?) in the following questions?
?% of 280 + 18% of 550 = 143.8 (a) 11 (b) 18 (c) 21 (d) 16 (e) None of these
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533 Answers
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- 29 Jun
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x/100*280+18/100*550=143.8br /=>14x/5+99=143.8br /=>14x/5=44.8br /=>14x=224br /=>x=16br /br /hence the answer is 16.br /
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- 09 Jun
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y/100*280+18/100*550=143.8br /y/100*280+99=143.8br /y/100*280=143.8-99br /y/100*280=44.8br /y=44.8*100/280br /y=16
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- 04 Jun
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(d)16