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Akhand Bharat

· started a discussion

· 1 Months ago

Please explain not able to understand it (Question: 517859.0 )

Please

Question:

Abhinav started for the station half a km from his home walking at 1 kmph to catch the train in time. After 3 minutes he realised that he had forgotten a document at home and returned with increased but constant speed to catch the train. Find his latter speed in kmph.

Options:
A)

1.25

B)

1.1

C)

11/9

D)

2

E)

None of these

Solution:

Ans:(c)

The distance he will travel after reaching that certain point 

= 50 + 500 

= 550 meters

His later speed in kmph

= 550/27 × 60 × 18/5

= 11/9 kmph

Knowledge Expert

· commented

· 1 Months ago

The distance he will travel after reaching that certain point

= 50 + 500

= 550 meters

His later speed in kmph

= 550/27 × 60 × 18/5

= 11/9 kmph
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