National Science Olympiad Forum By SOF Olympiad Trainer - Page 631

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Subject :NSO    Class : Class 4

Ans 1:

Class :
Air always act as Frictional force against Gravity Hence ans is B in this case

Ans 2:

Class : Class 9

Ans 3:

Class :
THERE IS NO SOLUTION SOB HOW CAN WE UNDERSTAND

Ans 4:

Class : Class 9

Ans 5:

Class : Class 9
there is air friction against gravity. so answer is B

Ans 6:

Class : Class 9

Ans 7:

Class : Class 4

Ans 8:

Class : Class 8

Ans 9:

Class : Class 4

Ans 10:

Class : Class 10
Kqwertyuiopasdfghjklzxcvbnm,.-/:;(₹

Ans 11:

Class : Class 8
There is no explanation for the answer. How do we understand Sof?

Ans 12:

Class :
There is no explanation for the answer. How do we understand sof?

Ans 13:

Class : Class 4
qwertyuiopasdfghjklzxcvbnm,.-/:;(â1

Ans 14:

Class : Class 5
But they are telling that the right answer is option d

Ans 15:

Class : Class 4
qwertyuiopasdfghjkkklzxcvbnm

Ans 16:

Class : Class 4
@ishi gupta i know this is irrevelent but its not sob its sof

Ans 17:

Class : Class 8
I think c

Ans 18:

Class :

Ans 19:

Class : Class 8
There is no explanation for the answer. How do we understand sof?

Ans 20:

Class : Class 8
Yea, pls explain this question to us SOF admin

Ans 21:

Class : Class 9

Ans 22:

Class :

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Admin please tell me ,how is escalator a pulley?

Ans 2:

Class :
l

Ans 3:

Class : Class 5
The answer could be both A or B because wheel barrows and screwdrivers are levers and wheel and axles

Ans 4:

Class : Class 5
A

Ans 5:

Class : Class 9
the answer is A

Ans 6:

Class : Class 7
Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 7:

Class : Class 5
Yes

Ans 8:

Class : Class 7
I

Ans 9:

Class : Class 5

Ans 10:

Class : Class 6

Ans 11:

Class :
Answer is A

Ans 12:

Class : Class 7

Ans 13:

Class : Class 5
A

Ans 14:

Class : Class 5
AAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 15:

Class : Class 6
A

Ans 16:

Class :
Answer is A

Ans 17:

Class : Class 9
why not B all the options are levers

Ans 18:

Class : Class 6
A

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
It should be option A- Only 1 As water is liquid, the only change that can be seen is that of the change in shape. it volume will remain the same

Ans 2:

Class : Class 9
A

Ans 3:

Class : Class 9
The answer must be the option "A", as it states so "Farheen filled container X with 100 ml of water." Container Y had just a different shape, and it was also broader, so how can it be the option "C"?

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 6

Ans 1:

Class :
i dont know

Ans 2:

Class : Class 8
Thanks for the solution saanvi

Ans 3:

Class : Class 9
Thank you for the solution saanvi

Ans 4:

Class :
solution pls

Ans 5:

Class : Class 6

Ans 6:

Class :
what is this?

Ans 7:

Class : Class 7
Thank you saanvi

Ans 8:

Class : Class 7
Yes, Saanvi u r right...Thanks Anamkhan

Ans 9:

Class : Class 8
i really can't understand.

Ans 10:

Class : Class 9
Thank you Sanvi

Ans 11:

Class : Class 6

Ans 12:

Class : Class 9
the sum of digits of the numbers in option a,b,d comes to 29. whereas in case of option c the total is 27.hence C is the correct answerwh

Ans 13:

Class : Class 8

Ans 14:

Class : Class 6

Ans 15:

Class : Class 9
I can not understand.

Ans 16:

Class : Class 7
Thanks Sanvi

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Ans is B because as in the line graph the number of heartbeats decreased in the line RS.

Ans 2:

Class : Class 4
Can you please explain

Ans 3:

Class : Class 5
Areem is correct

Ans 4:

Class : Class 9
its D

Ans 5:

Class : Class 7
Areen is correct but I ticked d so I got it wrong

Ans 6:

Class : Class 6
Option C) as it ask that what is the heart beat just stop so it means That in this point of time the heart beat is gonna decrease.

Ans 7:

Class : Class 9
U gotta explain this... d is also correct

Ans 8:

Class : Class 5

Ans 9:

Class : Class 7

Ans 10:

Class : Class 5
bruh, ques 12

Ans 11:

Class : Class 9
every question is fake without solution including this one

Ans 12:

Class :

Ans 13:

Class : Class 3
ans is c

Ans 14:

Class : Class 6
very silly question! haaaaaah

Ans 15:

Class : Class 5
can you please explain me

Ans 16:

Class : Class 4

Ans 17:

Class : Class 9
I ticked D by mistake 🙄

Ans 18:

Class : Class 8

Ans 19:

Class : Class 10
Can you explain

Ans 20:

Class : Class 1
Can u please explain

Ans 21:

Class : Class 5

Ans 22:

Class : Class 8
When we stop exercise in heart rate decreases So in the graph it will be a decline in the line so option is B

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9
The answer is D because they are saying AFTER 4th Tuesday of November 20XX that means 4th Tuesday is 28th November but after 28th November the date is 29th November .

Ans 2:

Class : Class 4
Novemberook ain't nothin. there is nothin' called like that but is the ans.

Ans 3:

Class : Class 7
the correct answer is d

Ans 4:

Class : Class 8
[d] is wrong

Ans 5:

Class : Class 5

Ans 6:

Class : Class 8
Actually D is correct but there is a typing mistake in D4th Tuesday of November 20XX = 28 November. The next day is 29 November. So D is correct not A. There is a typing mistake in D, but that does not mean D is wrong.

Ans 7:

Class : Class 4
there is nothing called NOVEMBEROOK

Ans 8:

Class :

Ans 9:

Class : Class 4
[a] is the correct answer

Ans 10:

Class : Class 9
Novembrook could be a mistake

Ans 11:

Class : Class 7
Novemberook is a typing mistake. Everyone can see that.

Ans 12:

Class :

Ans 13:

Class : Class 5

Ans 14:

Class : Class 4
What is this Novemberook. I think it means November Book or is it a typing mistake.

Ans 15:

Class : Class 4
They're saying after 4th tuesday that means 29 November. Novemberook could be a mistake.

Ans 16:

Class : Class 5
sof please tell that what is novemberook

Ans 17:

Class : Class 6
what is Novemberook?

Ans 18:

Class : Class 7
Novemberbook is a typing error. So the ans is D because it is telling 4th Tuesday which is 28th and it is said that just after 28th so the ans is D

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Subject :NSO    Class : Class 3

Ans 1:

Class :
C

Ans 2:

Class : Class 10
It will be A.It is 'ROTATION' NOT 'REVOLUTION'..............

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 5
I AM 👿👿👿👿

Ans 2:

Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 9

Ans 2:

Class : Class 5
The answer has to be A.

Ans 3:

Class : Class 9

Ans 4:

Class : Class 9
answer should be A. Trains can carry goods as well as passengers so the odd one out CANNOT be on the basis of passengers. Please do not give such questions if the answer is not clear

Ans 5:

Class :
SAME HERE

Ans 6:

Class : Class 9
Trains run on rails so Answer should be A

Ans 7:

Class : Class 10
SOME TIMES EVEN BUS AND TRAINS CARRY GOODS SO THE ANSWER IS A

Ans 8:

Class : Class 8

Ans 9:

Class : Class 8
the answer is a

Ans 10:

Class : Class 7

Ans 11:

Class : Class 3
The ans is A. They wrote C because no one sits on trucks. But the ans shud be A. Cuz train goes on rails, not on road. The others go on the road, not on rails. Seriously SOF! Why do u give wrong answers? it is not necessary people to sit on trucks!!!

Ans 12:

Class : Class 5
It has got to be A

Ans 13:

Class : Class 7
A

Ans 14:

Class : Class 8
You have to solve on the basis of MODE OF TRANSPORT not MEANS OF TRANSPORT SOF you yourself have given mode of transport is basis but you gave wrong answer! correct answer is A as means of transport includes transport which carry goods, passengers etc. And mode of transport means land, air or water transport. All the options are land transport but train runs on rail and other vehicles(auto rickshaw, truck and bus) run on road So answer is A

Ans 15:

Class : Class 4

Ans 16:

Class : Class 7
The answer should be A as trains run on track and others run on road.

Ans 17:

Class : Class 7
Ok for now but Sof should not give these question which has 2 ANS

Ans 18:

Class : Class 5
The answer is A as trains run on tracks. not necessary that they carry passengers

Ans 19:

Class : Class 4
It,s answer is train 🚆 because it go out of city .

Ans 20:

Class : Class 8
SOF don't you know the difference between MODES of transport and MEANS of transport? If you do, why did you give wrong answer?And if you don't ,search on Google! GOT IT SOF?

Ans 21:

Class :
tHE ANSEWR IS c BECAUSE TRUCK IS USED TO TRANSPORT GOODS WHILE THE OTHERS TRANSPORT PASSANGERS

Ans 22:

Class : Class 7
Totally A

Ans 23:

Class :
I chose D because rickshaw runs in A city and the rest do not

Ans 24:

Class : Class 7
A

Ans 25:

Class : Class 6
I think the answer is a as it runs on tracks

Ans 26:

Class : Class 4
same

Ans 27:

Class : Class 4
A

Ans 28:

Class : Class 7

Ans 29:

Class : Class 4

Ans 30:

Class : Class 7
Yes SOF answer should be "A".Its not correct this type of question is not correct!We will take the answer is A as correct.

Ans 31:

Class : Class 5
agreedThe answer will be Anot clear in train image its Passenger or Goods

Ans 32:

Class : Class 4
Its C!

Ans 33:

Class : Class 5
I also think it is A.

Ans 34:

Class : Class 9
the answer is A

Ans 35:

Class : Class 4

Ans 36:

Class : Class 5
My answer is A as train runs on tracks. It is not necessary that they carry passengers. Why is there no explanation SOF?

Ans 37:

Class :
I also chose a. Why is there no explanation sof

Ans 38:

Class : Class 3
It has to be A because train runs on tracks and others run on road.They said " Basis of transport " while on the explanation its written as " Odd one out "

Ans 39:

Class :
my answer is A as train runs on tracks others on road with wheels and can also carry goods not necessary passengers

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