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Subject :NSO    Class : Class 2

Class : Class 1

Count the number of total balls = 21
Count the number of crossed balls = 6
So, the subtraction sentence will be 21 - 6.
Now make the subtraction sentences for all options:
(A) 2 tens 1 one - 6 ones = 21 - 6
(B) 2 tens 2 ones - 6 ones = 22 - 6
(C) 2 tens - 6 ones = 20 - 6
(D) 2 tens 3 tens - 6 ones = 23 - 6

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
It will be 8/56,every answer is wrong because its a proper fraction so 8/56=8/56

Class : Class 1

Total Smileys = 56
Green Smileys = 8
Fraction of Green Smileys = 8/56 = 1/7

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
I think it is seed only because if the other parts will no be there than how the previous plant will grow

Ans 2:

Class : Class 5
but in some plants ther is no flower then also they can reproduce in a different manner

Ans 3:

Class : Class 5
Think the correct ans'rs C Cause a flower changes into a fruit in the fruit then bears seads which give rise to new plants on being down in soil. That's what I think don't know if it is right!!!

Ans 4:

Class : Class 5
Flower attract the insects for pollination,so the answer is C

Class : Class 1

Flower changes into fruits and fruit bears seeds. Seeds give rise to new plants when sown into soil.

Ans 6:

Class : Class 5
Stem is also correct for some plants like mint ,

Ans 7:

Class : Class 5
but seeds can reproduce through stem , leaves , and root too , can't they ???

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 3
the wax has been applied all over the rod. copper has the least amount of wax on it. So it is the best conductor of heat whereas the glass rod has the most amount of wax thus it is the weakest conductor of heat.Thus,the option "A" is the correct answer

Ans 2:

Class : Class 6
I too agree with you .It's B and not A

Ans 3:

Class : Class 7
ACCORDING TO ME THE CORRECT ANSWER IS B , FIRST WE HAVE TO UNDERSTAND THE PICTURE AND THEN ANSWER

Subject :NSO    Class : Class 1

Subject :NSO    Class : Class 8

Class : Class 1

In transverse wave, vibration of a wave is perpendicular to its direction of propagation of wave.

Ans 2:

Class : Class 9
The correct answer is D. In a transverse wave the direction of the movement of the particle is perpendicular to direction of motion of the wave. So, over here, when we move the end Q from left and right , it will produce a transverse wave,. You can check it by observing it from the top.

Subject :NSO    Class : Class 7

Class : Class 1

Sugar syrup is neutral and hence the colour of blue litmus and red litmus remains unchanged. Tamarind juice is acidic, so blue litmus turns red but red litmus does not change its colour. Lime water and soap solution are basic in nature which turn red litmus blue whereas blue litmus remains unchanged.

Ans 2:

Class : Class 7

Subject :NSO    Class : Class 7

Class : Class 1

Fish Y will be least affected as it is camouflaging with the sea weeds. Fish Y can easily escape from the predator by blending with the surrounding environment.

Subject :NSO    Class : Class 7

Class : Class 7

Ans 2:

Class : Class 8
Also freezing and melting point of water is 0 degrees celsius

Ans 3:

Class : Class 7
Three states - gas , liquid & solid When hot water temp is going down it will be ultimate become solid ie ice But before becoming ice temp will stagnant for some time where in both states liquid & solid co-exist==> some part of liquid is in ice form. X is the same state where in solid and liquid will co-exist. Hence option 4 is correct(solidification& evaporation) Note: Could not attach gif .It would have made it more clear.

Ans 4:

Class : Class 7
i think b is the correct answer

Class : Class 6

Ans 6:

Class : Class 8
It cools towards room temperature so it does not freeze

Subject :NSO    Class : Class 3

Class : Class 4