HCF & LCM

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Find the smallest number which when divided by 16, 20, and 25 leaves remainder 7, 11, and 16 respectively?

a) 391           b) 404       c) 164         4) 146           5) None of these

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Aptitude Admin 3 years 2 Answers 736 views 0

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    16-7=9,20-11=9,25-16=9
    so now LCM of 16,20,25 is 400
    so 400-9=391 is answer

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    391

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