CGL 22 : 12-12-2022 Shift 3


Question 1


Some students went on a field trip. At a speed of 6 km/h, they travelled by bikes for 2 hours; then at a speed of 2 km/h, they walked for another hour; then they took rest for an hour and had lunch for half an hour; then at a speed of 1 m/s, they walked for an hour to visit a garden; and finally at a speed 4 km/h, they returned home in 3 hours. Their average speed, in km/h, (rounded off to two places of decimal) is:

कुछ छात्र अध्‍ययन यात्रा पर गए थे। 6 km/h की चाल से, उन्होंने 2 घंटे तक बाइक से यात्रा की; फिर 2 km/h की चाल से, वे एक घंटे तक चले; फिर उन्होंने एक घंटे आराम किया और आधे घंटे तक दोपहर का भोजन किया; फिर 1 m/s की चाल से, वे एक घंटे तक चलकर एक बगीचे में गए; और अंत में 4 km/h की चाल से वे 3 घंटे में घर लौट आए। उनकी औसत चाल, km/h में, कितनी (दो दशमलव स्थान तक पूर्णांकित) है?

Options

A

0.28

0.28

B

129.23

129.23

C

3.48

3.48

D

251.62

251.62


Solution:

Correct Answer:

C

3.48

3.48


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