Question
CIVICS > ELECTION_COMMISSION
1) A man performs 2/25 of his total journey by bus, 21/50 by car and the remaining 2 km on foot his total journey is
A) 2.5 kmB) 3 km
C) 3.5 kmD) 4 km
View Answer        rrb-se-answer-key-2014-red-question-pape
Answer : 4 km

egin{aligned}\ frac{2}{25}(x)+frac{21}{50}(x)+2=x\ frac{(4+21)}{50}(x)+2=x\ x-frac{1}{2}(x)=2\ x=4\ end{aligned}



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