National Science Olympiad Forum By SOF Olympiad Trainer - Page 672

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
thks ribirta

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8
Yes, it will be option no. A.👍

Ans 4:

Class : Class 7
PQ shows the time taken by the ice to melt into water. Here, the temperature is steady – at 0°C. QR shows the time taken by the melted water to heat up and reach boiling point. Here, the temperature rises to boiling point – from 0°C to 100°C. RS shows the time taken by the water to evaporate. Here again, the temperature is steady – at 100°C. Part PQ shows melting of ice.Hence, the right answer is Option A.

Ans 5:

Class : Class 8

Ans 6:

Class : Class 7

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 7
It's option A.

Ans 2:

Class : Class 1
Its A..Jaya only

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10
Kindly give me the reasoning of the pattern.

Ans 2:

Class : Class 9
The answer is Option C that is 255 The difference from 3 to 7 is 4. The different from 7 to 15 is 8. The difference from 15 to 31 is 16. The difference from 31 to 63 is 32. The observation if 4 X 2 = 8, 8 X 2 = 16. Like wise, we can find next ones also. Only 5 are given and we have to find the 7th one. So, let is first find the 6th one. 32 X 2 = 64. So, 63 + 64 = 127. The 6th number is 127. Now, we have to find the 7th one. 64 X 2 = 128. 127 + 128 = 255. That is Option C

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
B

Ans 2:

Class : Class 5
D

Ans 3:

Class : Class 7

Ans 4:

Class : Class 5
And the sixth triangle by mixing two bottom left side triangles.

Ans 5:

Class : Class 5
And the sixth triangle by mixing two bottom left side triangles.

Ans 6:

Class : Class 5
And the sixth triangle by mixing two bottom left side triangles.

Ans 7:

Class : Class 5
Sorry.Answer will be C because I can find the triangles on the top right side of the boat,second on the top left side of the boat,third and fourth triangles under the top left side triangle and fifth triangle under the bottom left side triangle.

Ans 8:

Class : Class 5
c - 6

Ans 9:

Class : Class 3
answer is 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
Answer is C how??????

Ans 2:

Class : Class 5
c- cinema

Ans 3:

Class : Class 8
But how????????

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
The answer is opshen d

Ans 2:

Class : Class 3

Ans 3:

Class : Class 6
D

Ans 4:

Class : Class 8

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Subject :NSO    Class : Class 10

Ans 1:

Class : Class 10
test_i don't know

Ans 2:

Class : Class 10
No because it does not contain any ions.

Ans 3:

Class : Class 10
NO.for being a conductor any acid is need to be dissolved in it.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
I do not understand how the answer is B.. The sun is not a planet, it is a star. And there are times when you can see venus in the sky, it is the only planet which can be spotted in the sky during the day (Rarely spotted).

Ans 2:

Class : Class 7
sol is A. The Sun is a huge mass of very hot gases. --- Correct.B. The Sun is the only planet that we can see in the day. --- Correct.The Sun’s light is so bright, that all other plants are not visible.C. The distance of the Sun from the Earth is about 150,000,000 km. --- Correct. Sun is 150 million km away from us.D. The Sun is important to the Earth because it provides light energy to green plants to make food. --- Correct. If there is no sunlight, plants cannot make food, they will die. There will be nothing to eat for animals and us.So, Option B is the right answer.

Ans 3:

Class : Class 7
the correct answer should be b because the sun is not a planet.

Ans 4:

Class : Class 7
sorry i did not read the question properly

Ans 5:

Class : Class 7
yaa and solution is also wrong it says all are correct

Ans 6:

Class : Class 10
B

Ans 7:

Class : Class 7
the correct answer should be b because the sun is not a planet.

Ans 8:

Class : Class 5
So sorry, i didnt read the question correctly

Ans 9:

Class : Class 6
number one sun is A STAR BOT A PLANET number two SUN IS 147.26 MILLION KM AWAY FROM EARTH NOT 150,000,000

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
same case here like harshita A ranjani u should give the correct question

Ans 2:

Class : Class 7
yes same here

Ans 3:

Class : Class 5
Absolutely wrong

Ans 4:

Class : Class 8
exactly...there is neither X or Y !! what is wrong with this question...

Ans 5:

Class : Class 9
there is no X

Ans 6:

Class : Class 8
question is itself wrong

Ans 7:

Class : Class 9
Also, if we try to report an error, they say that it is not a valid error. Please tell them to fix this immediately.

Ans 8:

Class : Class 7
This is wrong question we should get full marks

Ans 9:

Class : Class 8
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Ans 10:

Class : Class 9
There is neither x nor y, how do you expect us to give the correct answer?

Ans 11:

Class : Class 5
You all are correct

Ans 12:

Class : Class 9
if you don't mind please check what question you are setting and please correct it if it is wrong

Ans 13:

Class : Class 7
there are no x and y mentioned

Ans 14:

Class : Class 7
ameya athawale from woodridge high school,aurangabadclass:7thX and Y aren't there in the question then what to answer

Ans 15:

Class : Class 9
I too found it wrong.There is neither X nor Y

Ans 16:

Class : Class 5
What is this X and Y. Question is totally wrong

Ans 17:

Class : Class 7

Ans 18:

Class : Class 10

Ans 19:

Class : Class 7
All are from our NSO level1 workbookAnd they have not mentioned X and Y

Ans 20:

Class : Class 7
Yes there is no x and y in this question

Ans 21:

Class : Class 7
i don't know if this question is right or are my eyes playing tricks on me but i don't seem to see an X or a Y in here.

Ans 22:

Class : Class 7
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Ans 23:

Class : Class 7
This question has an error in it. I too found that there was no X and Y in this.

Ans 24:

Class : Class 5

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Subject :NSO    Class : Class 1

Ans 1: (Master Answer)

Class : Class 1
The black air causes air pollution and it makes the air dirty. Hence, the correct answer is B.

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