A man's age is 125% of what it was 10 years
ago, What is his present age?
1) 45 Years 2) 48 years 3) 50 years
4) 52 Years 5) 55 Years
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Answer:
Step-by-step explanation:
man age = x years
10 years ago :
Man age = ( x - 10 ) years
10 years after :
Man age = ( x + 10 ) years
According to the problem given ,
125% of ( x - 10 ) = 83⅓% of ( x + 10 )
( 125/100 ) ( x - 10) = (250/300)(x+10)
( 5/4)( x - 10 ) = (5/6)( x + 10 )
( x - 10 )/4 = ( x + 10 )/6
6( x - 10 ) = 4( x + 10 )
6x - 60 = 4x + 40
6x - 4x = 40 + 60
2x = 100
x = 100/2
x = 50
Therefore ,
Present age of the man = x = 50yrs
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