Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B2

Chapter

Numbers, Quantification and Numerical Applications

Question:

The ratio of the speed of a motor boat in still water to that of the river flow is 5 : 2. If the boat goes along the river flow for 21 hours, then the time (in hours ) it will take to come back to its starting point is :

Options:

42

54

49

28

Correct Answer:

49