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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 8

A man fires a gun 150 m from a cliff. A second man who is standing 300 m further away from the cliff 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.


The right answer is 3 seconds after seeing the flash but that is not even there in the option. Please check

Ans 1:

Class : Class 9
Option C

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
The most abundant element in the earth's crust is oxygen, making up 46.6% of the earth's mass. Silicon is the second most abundant element (27.7%), followed by aluminum (8.1%), iron (5.0%), calcium (3.6%), sodium (2.8%), potassium (2.6%). and magnesium (2.1%).

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
A.Proteins

Ans 2:

Class : Class 5
Yes protiens plays a cruical role in our diet

Ans 3:

Class : Class 5
A.Proteins

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
ANS IS A NO ERRORYOU MEAN ANYTHING IS WRONG SOMETHINGS ARE RIGHTOK

Ans 6:

Class : Class 4
you stupid

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Subject :NSO    Class : Class 8

Read the given statements and select the correct option.
Statement 1 : When Ravi saw a film on space wars, he didn’t hear any explosions.
Statement 2 : Sound travels slowest through gases.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.


i cant understand the meaning of statement 1

Ans 1:

Class : Class 9
it is b

Ans 2:

Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4
Answer is A because rat eats eggs of other animals and plants. Rest are herbivores.

Ans 3:

Class : Class 4
Yes , the answer is A because bear and rat both are omnivores and rest are herbivores .

Ans 4:

Class : Class 3
The answer is A

Ans 5:

Class : Class 3
The answer is A

Ans 6:

Class : Class 3
The answer is A

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Subject :NSO    Class : Class 6
hi

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

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