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Subject :NSO    Class : Class 7

The given graph shows changes in the concentration of lactic acid in the muscles of an athlete both during and after race.
At what time did the athletes finish the race?


A 2 minutes
B 5 minutes
C 4 minutes
D 6 minutes


Ans 1:

Class : Class 9
yes

Ans 2:

Class : Class 7
Maybe

Ans 3:

Class : Class 8
The answer is option C

Ans 4:

Class : Class 10

Ans 5:

Class : Class 7
But it's still rising at four, and starts dipping closer to 5 than to 4, so shouldn't 5 be the answer...

Ans 6:

Class : Class 7
c -four minutes

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