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siri siri

· started a discussion

· 1 Months ago

data seems to be in adequate (Question: 436050.0 )

time is not mentioned

Question:

An aeroplane first flew with a speed of 440 km/h and covered a certain distance. It still had to cover 770 km less than what it had already travelled but it flew with a speed of 660 km/h. The average speed for the entire flight was 500 km/hr. Find the total distance covered.

Options:
A)

3250 km

B)

1375 km

C)

4400 km

D)

None of these

Solution:

Ans (d)



 

 

siri siri

· commented

· 1 Months ago

hi,,,thank you for the prompt reply...I do understand that question is correct but I didnt get the shortcut method, which is provided originally...and the second explanation that is give now is along method...cud u plz elaborate on the shortcut methods that was originally provided in the mock solutions

Knowledge Expert

· commented

· 1 Months ago

Dear student
The question is appropriate ,
please solve again carefully.

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