Phase X Graduation Level 04-08-2022 Shift 2


Question 1

A car travels from P to Q at a speed of 45 km/h and from Q to R at a speed of 65 km/h. If the distance from P to Q is 60 km and the distance from Q to R is 100 km, what is the average speed of the car during its whole journey (correct up to two decimal places)?
एक कार P से Q तक 45 km/h की चाल से और Q से R तक 65 km/h की चाल से यात्रा करती है। यदि P से Q की दूरी 60 km है और Q से R की दूरी 100 km है, तो पूरी यात्रा के दौरान कार की औसत चाल क्या है (दशमलव के दो स्थानों तक सही)?

Options

A

55.71 km/h

55.71 km/h

B

61.31 km/h

61.31 km/h

C

54.71 km/h

54.71 km/h

D

60.31 km/h

60.31 km/h


Solution:

Correct Answer:

A

55.71 km/h

55.71 km/h


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