. A train 120 meter long is traveling at a speed of 60 km/h. The time in which it will pass a passersby , waking at 6 km /h in the same direction is -

ক) 3 sec
খ) 9 sec
গ) 8 sec
ঘ) 6 sec

আমাদের মোবাইল অ্যাপ ডাউনলোড করুন

BCS TARGET Playstore