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Subject :NSO    Class : Class 3

A man standing 150 m away from a cliff fires a gun. A second man who is standing 300 m further away from first man hears the gun 1 second after he sees the flash. The second man will hear the echo from the cliff _______.

(A) 1 second after seeing the flash

(B) 2 seconds after hearing the gun

(C) 2 seconds after seeing the flash

(D) 4 seconds after hearing the gun

Ans 1:

Class : Class 3
C

Ans 2:

Class : Class 3
THIS IS CLASS 8 QUESTION FOOLS

Ans 3:

Class : Class 1
C

Ans 4:

Class : Class 3
C

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