If $35 %$ of a number is a $12$ less than than $50 %$ of that number, then the number is ;

40

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50

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60

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80

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Solution

The correct option is A $80$
let the number be 'x'
Given :
35% the number +12=50% of the number
$\frac{35}{100} x + 12$ $= \frac{50}{100} x$
$12 = \frac{15}{100} x$
$x = 80$
$∴$ The number is 80

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If 35% of a number is a 12 less than than 50% of that number, then the number is ;

The correct option is A 80let the number be 'x' Given :35% the number +12=50% of the number 35100x+12=50100x12=15100x x=80 ∴ The number is 80

If $35 %$ of a number is a $12$ less than than $50 %$ of that number, then the number is ;

The correct option is A $80$
let the number be 'x'
Given :
35% the number +12=50% of the number
$\frac{35}{100} x + 12$ $= \frac{50}{100} x$
$12 = \frac{15}{100} x$
$x = 80$
$∴$ The number is 80