Q: 120 (CAPF/2014)

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A distance X km is covered by two different trains with velocity v (in km/hr) and kv (in km/hr) in y and y + 3 hours respectively. If y < 13 then k is less than : 5
question_subject: 
Maths
question_year: 
2014
question_exam: 
CAPF
stats: 
0,16,144,40,80,24,16