National Science Olympiad Forum By SOF Olympiad Trainer - Page 684

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
But arent all the 4 statements correct???

Ans 2:

Class : Class 8
Explain

Ans 3:

Class : Class 10
i think b is the answer.

Ans 4:

Class : Class 4
i agree

Ans 5:

Class : Class 7
ONLY STATEMENT 3 IS CORRECT

Ans 6:

Class : Class 5

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
for speed of car to reach at bottom, gravity, weight of car and slope surface with friction of wheel n ramp all are important

Ans 2:

Class : Class 2

Ans 3:

Class : Class 10
can be option b

Ans 4:

Class : Class 8
Yes I agree with Soumya Bajaj

Ans 5:

Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10
I think it is not potato but sweet potato so answer will be B

Ans 2:

Class : Class 7
The question is controversial, potatoes are more common than sweet potatoes, so it would make sense to understand it as potato and hence, the method of reproduction is tubers. The answer should be D.

Ans 3:

Class : Class 9
mine is write

Ans 4:

Class : Class 7
What the Fuck This is completely Controversial

Ans 5: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 6:

Class : Class 7
How on EARTH is it B???You see, potato is NOT A ROOOOOT!!! IT IS A STEM!Argh

Ans 7:

Class : Class 10
Potato is tuber not root

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 9
Ans : A

Ans 2:

Class : Class 9
HOW?

Ans 3:

Class : Class 3
CHEATING

Ans 4:

Class : Class 3
nice question

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
Thank you very much Sarthak

Ans 2:

Class : Class 3
can you explain the first answer please?

Ans 3:

Class : Class 3
can you explain the answer with out a complicated way

Ans 4:

Class : Class 7
Addition of top

Ans 5:

Class : Class 1

Ans 6:

Class : Class 7
Addition of top

Ans 7:

Class : Class 3
Logic is - Central numbers are increasing in order .... 2...3...4 In first and second figures... Addition of left and right numbers = Addition of top and bottom numbers Means......... In fig1... 2+6 = 5+3 = 8 In fig2... 7+2 = 4+5 = 9 Therefore.... In fig3... 7+3 = 2+8 = 10 Hence the answer is B

Ans 8:

Class : Class 7
This is with also math, so if you go to IMO with respect , you can do great!

Ans 9:

Class : Class 4
can somebody explain this question .... why is the ans 3... which number pattern is followed

Ans 10:

Class : Class 7
additionoftopandbottomnumbersresultinleftandrightnumberssosolutioniswrong.

Ans 11:

Class : Class 9
Let’s observe the first two sets of numbers (P and Q) carefully, and then try to find the missing number in the 3rd set (R). Let’s take Set P first. Let’s add all the numbers. 2 5 2 3 6 = 18 Now, let’s take Set Q. Again, add all the numbers. 7 4 3 5 2 = 21 Set Q – Set P = 21 – 18 = 3 That means there is a difference of 3 between the total of Set P and Set Q. We can suppose there will be difference of 3 between the total of Set Q and Set R. So, the total of Set R should be Set R – Set Q = 3 Set R – 21 = 3 Or, Set R = 3 21 = 24 Let’s add the numbers in Set R. 7 2 4 8 ? = 24 21 ? = 24 ? = 24 – 21 = 3 Hence, the right answer is Option B.

Ans 12:

Class : Class 3
can sombody explain the firt question

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
B is correct ans. As it will lose water to make both concentration equal.

Ans 2:

Class : Class 10
No,if concentration is higher then it will become HYPOtonic solutionSo, it will swell and endosmosis takes placeSo,A is the answer

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