National Science Olympiad Forum By SOF Olympiad Trainer - Page 475
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Ritabrata Das from OPJS, Angul
Subject :NSO    Class : Class 5

Ans 1:

ritvik from VIDYA SHREE INTERNATIONAL SCHOOL rohtak, rohtak
Class : Class 6
actually, the diagram is a little wrong but the answer is also wrong .

Ans 2:

CHIRAG KHORIA from EVERGREEN PUBLIC SCHOOL, MAYNAGURI
Class : Class 5
stop making these many mistakes SOF

Ans 3:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
DIAGRAM IS WRONG !!

Ans 4:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
diagram is totally wrong. the concept they used is also wrong.

Ans 5:

Gargi Divekar from SM Shetty International School , Mumbai
Class : Class 5
The given daigram is wrong. It is making us lose marks.

Ans 6:

Shaurya Gote from KV BSF Dantiwada, S K Nagar
Class : Class 5
I AM SHAURYA, AGAIN. I FOUND ON GOOGLE THAT ONE FULL MOON TO NEW MOON IS 14 DAYS.I DO NOT THINK ANYONE CAN BE SILLY HERE, BUT I THINK SOME CHILDREN ARE WRONGLY TAUGHT IN THE TUTION. DO CHECK MY EXPLANATION AT ANS 9 IN THE SAME QUESTION

Ans 7:

Aayush from Amrita vidyalayam, Delhi
Class : Class 4
I don't get it

Ans 8:

Likith Manogn Batchu from Bhashyam Blooms, Hyderabad
Class : Class 5

Ans 9:

Aria Routray from V S Vidyalaya , Sunabeda
Class : Class 5
Confusing question

Ans 10:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10
FOOLISH QUESTION !!! Diagram is wrong!

Ans 11:

Avaneesh Herle P from Global Academy for Learning , Bangalore
Class : Class 5
The diagram is wrong.If we count the days after the full moon, it comes 8th November.

Ans 12:

Ayushman narayan from Dps ecity, Bangalore
Class : Class 5
Diagram is incorrect

Ans 13:

Ahaan Dodiya from Anand Niketan International Sarkhej , Ahmedabad
Class : Class 5
The lunar cycle they have shown is in reverse

Ans 14:

Divij Chaudhry from Strawberry fields high school, Chandigarh
Class : Class 5
incorrect

Ans 15:

Srija Das from Sent Joseph Convent Chandannagar, Serampore
Class : Class 10
The diagram is totally wrong .

Ans 16:

Kavin Karthick M from DPS bangalore east, Bengaluru
Class : Class 6
diagram given is wrong

Ans 17:

Atharva Thakur from Shiva international school , Ghumarwin
Class : Class 5

Ans 18:

CHIRAG KHORIA from EVERGREEN PUBLIC SCHOOL, MAYNAGURI
Class : Class 5
its totally wrong

Ans 19:

Aryaa Mishra from NPS whitefield, Bangalore
Class : Class 5
totally wrong

Ans 20:

kushaal from bhartiya vidya bhavans public school vidhyasharam jublee hills , HYDERABAD
Class : Class 5

Ans 21:

Shaurya Gote from KV BSF Dantiwada, S K Nagar
Class : Class 5
ANOTHER WAY OF DOING IT IS DO NOT LOOK AT THE DIAGRAM. DONE, THEN JUST REMEMBER THE DATE OF FULL MOON. THEN COUNT TILL 31 OCT. AND THEN 8 NOV. YOU WILL GET THE CORRECT ANSWER WITH NO TIME, IN JUST A SECOND . THIS IS THE ONE AND ONLY CORRECT WAY OF FINDING THE ANSWER TILL ANOTHER STUDENT GIVES THE SOLUTION.

Ans 22:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 10
It is completely wrong!If option d is correct then please explain

Ans 23:

TRISHA SINGH from St. Joseph Shaktinagar, SONEBHADRA
Class : Class 7
its wrong.correct it

Ans 24:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10

Ans 25:

Divij Chaudhry from Strawberry fields high school, Chandigarh
Class : Class 5
wrongggg

Ans 26:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
it is wrong

Ans 27:

Anil Kumar from St Paul Sr Sec School, KOTA
Class : Class 8
this diagram is wrong but if we think to skip the gibbous phase of moon it will be correct.

Ans 28:

shreya srivastava from kps sahibabad, ghaziabad
Class : Class 8
please give solution your answer is wrong

Ans 29:

from , Burdwan
Class : Class 6
Diagram is wrong

Ans 30:

Pratham Dave from GNS, Bangalore
Class : Class 7
Diagram is wrong

Ans 31:

Shaurya Gote from KV BSF Dantiwada, S K Nagar
Class : Class 5
I AM NOT A TEACHER, BUT I CAN GIVE YOU ALL A GOOD ADVICE THAT YOU MIGHT FIND USEFUL. ONE FULL MOON TO NEW MOON IS 14 DAYS. THEN COUNT 24, 25, 26,.......YOU WILL GET OPTION D AS ANSWER.THAT IS ALL MY LOGIC FOR THIS QUESTION. ACCORDING TO ME, THIS IS THE RIGHT SOLUTION OF OPTION D.

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Tithi vaidya from vedant international school, ahmedabad
Subject :NSO    Class : Class 7

Ans 1:

Sahil Ray from Podar International School, Thane
Class : Class 7
answer is 28.8

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Parth Katyal from DPS Gurgaon, Gurgaon
Subject :NSO    Class : Class 3

Ans 1:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is B.

Ans 2:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 3:

Arpit Sahoo from SAI International School, Bhubaneswar
Class : Class 7
Wool cotton silk

Ans 4:

AaradhyaPatel from Delhi Public School, Korba
Class : Class 3
Yay B is the answer

Ans 5:

Nivaan Trisal from GIIS Banerghatta , Bangalore
Class : Class 3
ITS B SOF IS MAKING A MISTAKE

Ans 6:

Santina Suzanne from owis, bangalore
Class : Class 4
b is the answer

Ans 7:

FAIZA AMIN from SAINT XAINS INTERNATIONAL SCHOOL ANANTNAG, ANANTNAG
Class : Class 3
B

Ans 8:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 9:

SAMRIDDHA PANDA from ST. MONFORT'S SENIOR SECONDARY SCHOOL, BARUIPUR
Class : Class 7
WOOL COTTON SILK

Ans 10:

Nivaan Trisal from GIIS Banerghatta , Bangalore
Class : Class 3

Ans 11:

Santina Suzanne from owis, bangalore
Class : Class 4
b should be the answer

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divita saxena from bhavans vidya mandir ashti , nagpur
Subject :NSO    Class : Class 3

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Devesh Agrawal from Bhartiya Vidhya Bhavan, Hyderabad
Subject :NSO    Class : Class 5

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Sruti Bagchi from South point high school, Kolkata
Subject :NSO    Class : Class 7

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reena yadav from dps haridwar, haridwar
Subject :NSO    Class : Class 3

Ans 1:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
A

Ans 2:

SAMRIDDHA PANDA from ST. MONFORT'S SENIOR SECONDARY SCHOOL, BARUIPUR
Class : Class 7
ans:A

Ans 3:

divita saxena from bhavans vidya mandir ashti , nagpur
Class : Class 4
A

Ans 4:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
It is A only.

Ans 5:

FAIZA AMIN from SAINT XAINS INTERNATIONAL SCHOOL ANANTNAG, ANANTNAG
Class : Class 3
A

Ans 6:

Arpit Sahoo from SAI International School, Bhubaneswar
Class : Class 7
A

Ans 7:

Aditri Dixit from TCIS, Bangalore
Class : Class 3

Ans 8:

FAIZA AMIN from SAINT XAINS INTERNATIONAL SCHOOL ANANTNAG, ANANTNAG
Class : Class 3
A

Ans 9:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 10:

reena yadav from dps haridwar, haridwar
Class : Class 3
AWYDCGVBM ,

Ans 11:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
A

Ans 12:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
ANS:A because we can travel through SHIP and AIROPLANE.

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AKAGRA PAL from TECHNO INDIA GROUP PUBLIC SCHOOL CHANDANNAGAR, CHANDANNAGAR
Subject :NSO    Class : Class 5

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Dipan Mandal from TECHO INDIA Kolaghat, EAST MIDNAPORE
Subject :NSO    Class : Class 5

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Harshit shah from Shishukunj International School, Indore
Subject :NSO    Class : Class 5

Ans 1:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
VENUS HAS 2 MOONS , SO WHY THEY ARE SAYING VENUS HAS NO MOONS ?

Ans 2:

Devina kashyap from TPS, Mumbai
Class : Class 4
and mars is red in colour because of its iron rich soil but i don't think that the iron is rusted

Ans 3:

Devina kashyap from TPS, Mumbai
Class : Class 4
venus has no moons and that is correct mars has 2 moons

Ans 4:

Anhad A from Chrysalis, Bangalore
Class : Class 7
The martian rocks are rusted.

Ans 5:

Lokesh Sai Dasari from Rockwell International School, Hyderabad
Class : Class 9

Ans 6:

gautam from GIIS KL, Kuala Lumpur
Class : Class 5
Venus and mercury has 0 moons ,mars has 2 moons not Venus and Jupiter ,Uranus,Neptune and Saturn also have more than one moon. So, d is correct. There is iron oxide in Mars' soil and there are also rust particles in the soil.These components get kicked around in the air of Mars by weather and wind making it look red. So, c is also correct. Neptune appears bluish in color due to the presence of helium gas. The above statement is also correct. Even though Jupiter is the largest planet in the Solar System, it is one of the fastest rotating planets. So,option A is incorrect and because of that it is the answer.

Ans 7:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 9
VENUS HAS 2 MOONS , SO WHY THEY ARE SAYING VENUS HAS NO MOONS ?

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