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Simarasees kaur from VENKATESHWAR GLOBAL SCHOOL, New Delhi
Subject :NSO    Class : Class 10

Ans 1:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
yes it happens but i have no solution

Ans 2:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
you check in YouTube

Ans 3:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
or in google

Ans 4:

Bitan Chakraborty from Adamas international school, Kolkata
Class : Class 8
or in google

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 3

Beena, Shalu and Navpreet wanted to find out who among them had the biggest lung capacity. They decided to blow into a balloon with one breath and see how big it will become. Which of the following factors they must keep the same to make the test a fair one?
1. Colour and design pattern of the balloon
2. Size and shape of the balloon
3. When to breathe in forcibly before blowing
4. Material, balloon is made of

A 1 and 2 only
B 2 and 3 only
C 1, 3 and 4 only
D 2, 3 and 4 only


The answer is D

Ans 1:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5

Ans 2:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5
The answer is D

Ans 3:

Aneesh Balaji from BVBARR school, Hyderabad
Class : Class 4
d

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kalra Shaleen from Jalandhar, Jalandhar
Subject :NSO    Class : Class 3

Ans 1:

Senaraj Chintagumpala from Delhi Public School East, Bangalore
Class : Class 3
c

Ans 2:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5

Ans 3:

Prathyush from GWH, Bangalore
Class : Class 3
the answer is c}

Ans 4:

kalra Shaleen from Jalandhar, Jalandhar
Class : Class 5
The answer is C

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Dhruvan G from Indian School al Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Anvi Jain from School, City
Class : Class 10

Ans 2:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
It is polyester and not polythene. Therefore B is the right answer. Rayon IS regenerated from wood pulp.

Ans 3:

Sampurna Mandal from DAV Public School Jagganath Talcher, Angul
Class : Class 8
Thanks for the answer

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Rehan Agrawal from Indian School Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Hprakash09 from Billabong high Bhopal, Bhopal
Class : Class 7
B is wrong, as protons cannot move from their positions in an atom.

Ans 2:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
B should be the correct answer

Ans 3:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 6

Ans 4:

Amrit Biswas from INDUSVALLEY PUBLIC SCHOOL, Noida
Class : Class 10
B is correct answer because,as we know protons are heavy and dont move but due to the movement of electrons protons are pushed towards the opposite direction

Ans 5:

Tarun from Narayana school, Chennai
Class : Class 8

Ans 6:

aditya arora from Heritage Experiential Learning School, gurugram
Class : Class 8
B is the correct answer, as the protons might be a part of the nucleus, but the nucleus as a whole is a positively charged particle as well, therefore, it moves to right

Ans 7:

Student from School, City
Class : Class 5
B is the Wrong Answer. Protons do not move as they are fixed to their nuclei.

Ans 8:

ATANU DAS from ALLEN CAREER INSTITUTE , KOTA
Class : Class 9
Option (D), electrons move from left to right & the protons are stable in the nucleus and they never move.

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Anshita Bardoloi from Delhi Public School Guwahati, GUWAHATI
Subject :NSO    Class : Class 5

Ans 1:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because of this relationship: Sedimentary : Metamorphic : Igneous

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because of this relationship: Sedimentary : Metamorphic : Igneous

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Rehan Agrawal from Indian School Ghubra, Muscat
Subject :NSO    Class : Class 8

Ans 1:

Shreya Mahesh from Sri Sri Ravishankar Vidya Mandir, Bangalore
Class : Class 8
Option A

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Atul Sanjeev from Indian School Al Ghubra, Muscat
Subject :NSO    Class : Class 5

Ans 1:

Alay Shah from Euro School, Thane
Class : Class 5
Explanation in the solution is not matching any options. According to explanation option one and three are correct.

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yana from VIDYA VIKASINI HIGH SCHOOL, VASAI
Subject :NSO    Class : Class 4

Ans 1:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
my actual answer is salt

Ans 2:

Aryan Bomanwar from Chirec international School, HYDERABAD
Class : Class 6
It's C coffee powder.

Ans 3:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
coffee powder

Ans 4:

AHANA BAG from DELHI PUBLIC SCHOOL JOKA SOUTH KOLKATA, KOLKATA
Class : Class 9
The correct answer is C . It will be coffee power.

Ans 5:

yajur from dps vk, delhi
Class : Class 3

Ans 6:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
Coffee Coffee Coffee Coffee Calls out Calls out the answer is C in the answer it is me it is me it is me

Ans 7:

NARAYANAN VENKITASUBRAMANI from THE PSBB MILLENNIUM SCHOOL, Coimbatore
Class : Class 6

Ans 8:

Saarang roy from Indian school ghubra, Muscat
Class : Class 6
The correct answer is d chalk powder because it is insoluble in water while the rest are not.

Ans 9:

Riddhima Pandey from Chinmaya Vidyalaya, Bokaro Steel City
Class : Class 3
Ans-d

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 8
chalk powder is insoluble in water while others are soluble, chalk powder can be separated from water by sedimentation and decantation or filtration but others need evaporation...… Now I think Harsh you understood why the answer is D!!

Ans 11:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 7
It's chalk powder

Ans 12:

Shaurya Suryawanshi from The Orbis school, Pune
Class : Class 7
It's chalk powder

Ans 13:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
Coffee powder

Ans 14:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
salt

Ans 15:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
coffee powder

Ans 16:

ANAY GUPTA from CMS KANPUR ROAD LUCKNOW, LUCKNOW
Class : Class 8
salt for the way

Ans 17:

Student from School, City
Class : Class 5

Ans 18:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
why is chalk powder the correct answer?

Ans 19:

Manan thorat from Podar powai, Mumbai
Class : Class 4
The answer is D because D cant desolve in water while others can.So the answer is D.

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yajur from dps vk, delhi
Subject :NSO    Class : Class 4

Ans 1:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
There is no semicircle.Answer is 4.

Ans 2:

PARTH PANCHAL from NEW HORIZON SCHOLARS SCHOOL, THANE
Class : Class 7
the answer can even be 'B' as semi-circle is there ,made by square

Ans 3:

Sahanaa from Sancta Maria International School, Hyderabad
Class : Class 4
How are we supposed to know it’s a rectangle when hidden by the circle ,bonne nuit

Ans 4:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
How 5? answer is 4The shapes are:circle,triangle,rectangle and square

Ans 5:

Niteen Jit Sahu from Diya Academy of Learning, Bengaluru
Class : Class 7
5 is the answer because there is even semi circle there with rectangle,square and triangle.

Ans 6:

Aarav sugla from Niraj International School , Secunderabad
Class : Class 5

Ans 7:

Aaryaman Pradhan from De paul School , Berhampur
Class : Class 5
5

Ans 8:

Aalia Nair from Bombay Scottish School Mahim, Mumbai
Class : Class 4
4 IS THE CORRECT ANSWER

Ans 9:

Shaurya Shrivastava from Amanora school, Pune
Class : Class 6

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The answer is D) 4

Ans 11:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
its d

Ans 12:

Atharva Batra from Modern Delhi Public School, Faridabad
Class : Class 4
5

Ans 13:

Shaurya Shrivastava from Amanora school, Pune
Class : Class 6
all listen it should be 5 as i think because the rectangle is dividing the circle into two halves which is forminig a semi circle and if sof has to 4 which means that it should be a whole shape like circle triangle etc.so if it is wholes shape SOF is right or elseNiteen Jit Sahu and all others who say semi circle are right

Ans 14:

MIERA SHARMA from DPS AGRA, AGRA
Class : Class 6
IT SHOULD BE 5 AS THERE IS SQUARE TRIANGLE SEMECIRCLE RECTANGLE AND DIAMOND

Ans 15:

Avya Pandey from NPS International, Singapore
Class : Class 7
b as there is a semi-circle

Ans 16:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
semicircle is there but made by square so the answer is 4

Ans 17:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Can you tell the answer of this question

Ans 18:

ayurda prasad from Delhi Public School, Faridabad
Class : Class 3
ayurda 4 d 4

Ans 19:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
SEMICIRCLE5B

Ans 20:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
55555555555555555555555555555555555555555 is the ans

Ans 21:

Mayukh chatterjee from Somerville School Noida, Noida
Class : Class 5
why semicircle not be counted

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