Question
Download Solution PDFMonika covers a certain distance at the speed of 48 kmph and then she travels back at a speed of 32 kmph to go to her initial position. What is the average speed of Monika for the entire journey (in kmph)?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Monika covers a certain distance at the speed of 48 kmph and then she travels back at a speed of 32 kmph to go to her initial position.
Concept:
The average speed for the given two speeds X kmph and Y kmph is
\(S_A=\frac{2XY}{X+Y}\)
Solution:
Monika covers a certain distance at the speed of 48 kmph and then she travels back at a speed of 32 kmph to go to her initial position.
Since the average speed is
\(S_A=\frac{2XY}{X+Y}\)
\(S_A=\frac{2(48)(32)}{48+32}\)
\(S_A=\frac{192}{5}\)
Hence, option 4 is correct.
Last updated on May 26, 2025
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