alleryએક ટ્રામ તેના રસ્તાનું એક તૃતીયાંશ અંતર 20 km/h ની ઝડપે અને બાકીનું બે તૃતીયાંશ અંતર 40 km/h ની ઝડપે કાપે છે. તેની સરેરાશ ઝડપ કેટલી?
A30 km/h
B35 km/h
C28 km/h
D32 km/h
Answer & Solution
Correct answer: A. 30 km/h
60 km ના રસ્તા માટે, 20 km માં 1 કલાક અને 40 km માં 1 કલાક લાગે છે, જેથી 60 / 2 = 30 km/h મળે છે.
Keep practising Time, Speed and Distance
Browse all Time, Speed and Distance questions for RRB NTPC, or explore more Quantitative Aptitude topics.
Related questions
Which vehicle dashboard instrument directly indicates instantaneous speed?What speed in kilometres per hour is exactly equivalent to 1 metre per second?How is average speed computed from total distance d and time t?A boy walking at 5 km/h is 6 minutes late, but at 6 km/h he is 6 minutes early. How far isTwo cyclists leave one point in opposite directions at 12 km/h and 8 km/h. How far apart aTo change a speed from m/s to km/h you multiply by which number?A vehicle running at 50 km/h would cover about how far in a single minute?A swimmer clocks 10 m/s in a short sprint. In km/h this is?