A number consists of two digits with 4 in the units place. If the two digits are interchanged, it is 4/7 times the original number. The number is:A. 84B. 74C. 64D. 54

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Hussain

  • Sep 16th, 2005
 

Answer is A.84

since 7/4 * 84 = 48.

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smriti

  • Jun 11th, 2006
 

ans is 84

original no is 1o*x+4

interchanging the digits v get, 40+x

so, 40+x=4/7(10*x=4)

ie. 40*x+16=280+7*x

ie. 84

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Farjul Ali

  • Mar 12th, 2019
 

(B) 74

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