National Science Olympiad Forum By SOF Olympiad Trainer - Page 690
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Baban from dps, kolkata
Subject :NSO    Class : Class 3

Ans 1:

prabhakar from xyz, patna
Class : Class 6

Ans 2:

Aathrei MS Damodaran from Chrysalis High, Bengaluru
Class : Class 7
oi it" is sc i think i mighta" toldja

Ans 3:

Devansh singhal from Delhi public school Ghaziabad, Ghaziabad
Class : Class 1
(c)

Post Your Answer

Saksham Arora from DPS, Gurugram 102
Subject :NSO    Class : Class 2

Post Your Answer

Shreyas Dasgupta from Bharatiya Vidya Bhavan, Kolkata
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Ans 2:

Hritvi from Podar International School, Mumbai
Class : Class 7
5plus1

Ans 3:

Hritvi from Podar International School, Mumbai
Class : Class 7
instead it should be 5 1.just make this correction

Ans 4:

Tanmaya Kumar Rout from ALLEN Career Institute, GOVANDI, Mumbai
Class : Class 8
iuhygf

Ans 5:

Mitesh from Shishya BEML Public School, Bengaluru
Class : Class 7
Explain please

Ans 6:

Hritvi from Podar International School, Mumbai
Class : Class 7
Even i need a explanation. the solution is not that clear to me. if P is ahead of Q at the initial by 10m that how did P ratio be 5-4. instead it should be 5 1.

Ans 7:

from ,
Class :
my answer is :d

Post Your Answer

Rohan David from Oakridge International school, Hyderabad
Subject :NSO    Class : Class 4

Ans 1:

Adarsh from DPS, Raipur
Class : Class 5
The correct answer is c

Ans 2:

Sashriti Das from Delhi Public School Bangalore North, Bangalore
Class : Class 5
The correct option is c

Ans 3:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is C.

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

Ans 5:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
C C c everyone can seethe answer is Ceveryone plz agree

Post Your Answer

NISHIT KUMAR from DLF PUBLIC SCHOOL, sahibabad
Subject :NSO    Class : Class 5

Ans 1:

Bhavik from St. Froebel Sr. Sec. School,
Class : Class 6

Ans 2:

Prerna from DPS Vasant Kunj, Delhi
Class : Class 5
i thought A is the correct option pls clarify !

Ans 3:

Anusha Agarwal from Convent of jesus and Mary st Anthony junior college , Agra
Class : Class 8

Ans 4:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
aarav u are correct but i got b as correct answer

Ans 5:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
Master Answer- Carbs such pizzas and burgers are very harmful for us. So,they should be consumed in the least amount. Minerals are micronutrients so they should be consumed in less amounts. Fats give us energy so they must be consumed in high quantities. Proteins build our muscles and should be consumed in higher quantities. thus, option D.

Ans 6:

Sri Karthik from Delhi Public School Nacharam, Hyderabad
Class : Class 9
some of my written tests are not posting to my gmail

Ans 7:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
carbs, proteins and fats are macronutrients so they should be more than minerals which is a micronutrient but there is no such answer

Ans 8:

GAYATRI from LITTLE ANGELS, VISAKHAPATNAM
Class : Class 5
Minerals are considered as micronutrients whereas carbohydrates, protein and fats are macronutrients so they should be taken in higher quantities

Ans 9:

PARUL GHARSE from Vibgyor, Mumbai
Class : Class 6

Ans 10:

AADITYA ASHW from DPS NOIDA SECTOR 30, NOIDA NCR
Class : Class 6
its wrong as minerals are to be taken in least quantity ,far less than proteins and fat.Kindly rectify the mistake,mineral should have been last in order.

Ans 11:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
BB!!!

Ans 12:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5

Ans 13:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5
B

Ans 14:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
It was a little tricky for me also

Ans 15:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The correct answer is B as our body needs carbohydrates in maximum quantiuty as they give us energy

Ans 16:

Nakul Bhasker from National Public School Whitefield, Bangalore
Class : Class 5
Bibi (for BS fans)

Ans 17:

Anusha Agarwal from Convent of jesus and Mary st Anthony junior college , Agra
Class : Class 8

Post Your Answer

Saksham Arora from DPS, Gurugram 102
Subject :NSO    Class : Class 2

Post Your Answer

Ankita Dasgupta from Chryallis High, Bangalore
Subject :NSO    Class : Class 8

Ans 1:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9
Can someone tell the solution?

Ans 2:

Arnav Diwan from F.A.I.P.S Kuwait, Kuwait
Class : Class 10
(First Column) (3 X 5 X 4) minus 36 = 24 = 2 to power 3 2 to power 4Note: Exponential power 3 = from first column first cell, Exponential power 4 = from first column third cell(Second Column) (Ans 4 X 4 X 4) minus 32 = 32 = 2 to power 4 2 to power 4Note: Exponential power 4 = from second column first cell, Exponential power 4 = from second column third cell(Third Column) (5 X 7 X 6) minus 114 = 96 = 2 to power 5 2 to power 4Note: Exponential power 5 = from third column first cell, Exponential power 4 = from third column third cell

Ans 3:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9

Ans 4:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
Well, I had expected a solution in this one cause you gave that tiny filthy little box on each and every question.

Ans 5:

Dhairya Vinayak from Loyola High School, Patna
Class : Class 8

Ans 6:

Ashwin Shridhar from Vidyashilp Academy, Bangalore
Class : Class 9
Solution?

Ans 7:

Arnav Diwan from F.A.I.P.S Kuwait, Kuwait
Class : Class 10
(First Column) (3 X 5 X 4) – 36 = 24 = 2³ 2⁴Note: Exponential power 3 = from first column first cell, Exponential power 4 = from first column third cell(Second Column) (Ans 4 X 4 X 4) – 32 = 32 = 2⁴ 2⁴Note: Exponential power 4 = from second column first cell, Exponential power 4 = from second column third cell(Third Column) (5 X 7 X 6) – 114 = 96 = 2⁵ 2⁶Note: Exponential power 5 = from third column first cell, Exponential power 4 = from third column third cell

Ans 8:

Arnav Diwan from F.A.I.P.S Kuwait, Kuwait
Class : Class 10
(First Column) (3 X 5 X 4) – 36 = 24 = 2 to power 3 2 to power 4Note: Exponential power 3 = from first column first cell, Exponential power 4 = from first column third cell(Second Column) (Ans 4 X 4 X 4) – 32 = 32 = 2 to power 4 2 to power 4Note: Exponential power 4 = from second column first cell, Exponential power 4 = from second column third cell(Third Column) (5 X 7 X 6) – 114 = 96 = 2 to power 5 2 to power 4Note: Exponential power 5 = from third column first cell, Exponential power 4 = from third column third cell

Ans 9:

A.SHRIKARTHICK from CS ACADEMY, Erode
Class : Class 7
What is the solution for this?

Ans 10:

Reyansh Hatgaonkar from ERA English medium school , Pandharkawada
Class : Class 8

Ans 11:

H R Kanish from Chennai public school, Chennai
Class : Class 8

Ans 12:

Vartika Agarwal from Phoenix world school, Pune
Class : Class 9
where is the solution?

Post Your Answer

Aditya Avadhani from Deens Academy, ECC road, Whitefield, Bengaluru
Subject :NSO    Class : Class 4

Ans 1:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 7
Answer is most probably C

Ans 2:

Arjun Gourineni from CHIREC International School, Hyderabad
Class : Class 7
D is the ans

Ans 3:

avsonawane from Blue Ridge Public School, Pune
Class : Class 9
the correct option shall be "D". The answer marked in the system shall be reviewed...

Ans 4:

Sreejani Bhaduri from National Public School, Bangalore
Class : Class 10
Ps

Ans 5:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
c

Ans 6:

Samarth Vijay Yeliathaya from Shri Kumarans Children home,cbse, Bangalore
Class : Class 5
Even I thought 'D' is the answer

Ans 7:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
Explanation please

Ans 8:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8

Ans 9:

Aarav from SNBP, Pune
Class : Class 4
It’s c because talcum powder does work on fresh ink stains and petrol works on oil and grease everyone should know that cotton need soft detergent

Ans 10:

SHUVRA MAITRA from THE HERITAGE , KOLKATA
Class : Class 4

Ans 11:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7

Ans 12:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
no no ans should be d because how will we get petrol

Ans 13:

Suhana Kedia from Griffin's international school, Kharagpur
Class : Class 5
Maybe dry cleans have a chemical that contains petrol for oil grease

Ans 14:

Bhavya Sheth from Bright Day School, Vadodara
Class : Class 6
Yes answer should be D because I also think like Vidhya M.

Ans 15:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4

Ans 16:

Harshit from Montfort , Delhi
Class : Class 7
its c

Ans 17:

Goutham from lt, Chennai
Class : Class 4
The answer should be D. How can A and B be correct?

Ans 18:

somesh from Centre point katol road, Nagpur
Class : Class 6
B

Ans 19:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10
same

Ans 20:

Goutham from lt, Chennai
Class : Class 4
The answer should be D. How can A and B be correct?

Ans 21:

NARAYANAN VENKITASUBRAMANI from THE PSBB MILLENNIUM SCHOOL, Coimbatore
Class : Class 8

Ans 22:

Midhuna from ABCD, Banglore
Class : Class 3
Answer is C

Ans 23:

Vidhya M from Vibgyor High Bannerghatta, Bangalore
Class : Class 7
I don't believe that fresh ink stains can be removed with talcum powder and oil and grease can be removed with petrol. I think the answer should be "D"

Ans 24:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
yes ans should be d

Ans 25:

Avya Pandey from NPS International, Singapore
Class : Class 8
it should be D

Ans 26:

Anshuman raj from STCS, Karnal
Class : Class 9
Actually fresh ink stains can be lighten by using talcum powder and in dry cleans stores petrol is used to remove oil and grease So from my side C is the answer

Ans 27:

Shivam Chablani from The Shriram Millenium School , Faridabad
Class : Class 5
The answer should be D

Ans 28:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is C

Ans 29:

SUHARSH SAXENA from dpsnoida, Noida
Class : Class 4
No d is not the answer I have google it it is showing g that a Is a bad idea

Post Your Answer

Karan Chavan from GIIS,Chinchwad, Pune
Subject :NSO    Class : Class 5

Ans 1:

Vedanth S from Kumarans Childrens Academy, Bangalore
Class : Class 6
even option 'a' is incorrect.

Ans 2:

Arnav from PSBB, Chennai
Class : Class 5

Ans 3:

Neil Mathew from National Public school, bengaluru
Class : Class 8
but the desk can protect you,in the synopsis it said to get under a table and cover your head with a pillow

Ans 4:

Pallav Agarwal from DLF PUBLIC SCHOOL SAHIBABAD, Ghaziabad
Class : Class 9
OH guys its written what NOT to do LOL!!

Ans 5:

Shaurya Veer from Army Public School ASC C and C , Bangalore
Class : Class 10
answer should be (A) if the building falls or something falls on the table we will die

Ans 6:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
D should have been A and C instead of All Of The Above.

Ans 7:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
it is option c,i wrote it wrong

Ans 8:

Lakshana from SBOA School and Junior College, Chennai
Class : Class 6
please look at the question. it says what is incorrect to do so, only. (c) is correct option

Ans 9:

vayurve gowda from narayana group of schools, chennai
Class : Class 6
if we are on a beach we should move away from the sea as tsunami can occur

Ans 10:

vayurve gowda from narayana group of schools, chennai
Class : Class 6
yes option a is also correct

Ans 11:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
Hello Everyone, the answer is option 'C' and it is absolutely correct because the question says that which of the following should you NOT do in an earthquake. Please read the questions carefully before complaining.

Ans 12:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Read in the synopsis of the ch . It is written to get under a desk . You are right Shaurya Veer . Fault of SOF !!!!!!!!!!

Ans 13:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
It is option C)

Ans 14:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
Oh poor guys it is writen that what should we not do. LOL

Post Your Answer

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Subject :NSO    Class : Class 5

Post Your Answer