National Science Olympiad Forum By SOF Olympiad Trainer - Page 713
  1. Home
  2. /  Forum

User Forum

Ask Your Question
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:

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

Ans 2:

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

Ans 3:

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 4:

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 5:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9

Ans 6:

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

Ans 7:

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

Ans 8:

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

Ans 9:

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 10:

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 11:

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

Ans 12:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

SUHARSH SAXENA from dpsnoida, Noida
Class : Class 5
No d is not the answer I have google it it is showing g that a Is a bad idea

Ans 7:

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 8:

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

Ans 9:

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 10:

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 11:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10
same

Ans 12:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

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

Ans 20:

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

Ans 21:

Harshit from Montfort , Delhi
Class : Class 7
its c

Ans 22:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4

Ans 23:

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

Ans 24:

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

Ans 25:

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

Ans 26:

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

Ans 27:

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 28:

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

Ans 29:

SHUVRA MAITRA from THE HERITAGE , KOLKATA
Class : Class 4

Post Your Answer

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

Ans 1:

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 2:

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 3:

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

Ans 4:

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 5:

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

Ans 6:

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 7:

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

Ans 8:

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

Ans 9:

Arnav from PSBB, Chennai
Class : Class 5

Ans 10:

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

Ans 11:

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 12:

Pallav Agarwal from DLF PUBLIC SCHOOL SAHIBABAD, Ghaziabad
Class : Class 10
OH guys its written what NOT to do LOL!!

Ans 13:

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 14:

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.

Post Your Answer

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

Post Your Answer

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

Ans 1:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
why not X

Ans 2:

KRITHYA GUPTA from LOTUS VALLEY INTERNATIONAL SCHOOL, NOIDA
Class : Class 7
it is x so the answer is B

Post Your Answer

pydimarri@gmail.com from Vibgyorhigh, Bengaluru
Subject :NSO    Class : Class 4

Post Your Answer

Navneeth Reejish from Yuvabharati International school, Singapore
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Post Your Answer

Vaikunth Gajjar from R N Podar School, Mumbai
Subject :NSO    Class : Class 2

Ans 1:

Wrik Chatterjee from DELHI PUBLIC SCHOOL NOIDA, Noida
Class : Class 5

Ans 2:

Rivan Chheda from Podar international CAIE, Mumbai
Class : Class 3
Option C is an incorrect answer as per synopsis correct answer should be A

Ans 3:

Naisha Anandji from Utpal Shanghvi Global School, Mumbai
Class : Class 4

Ans 4:

anu from Haralur, Bengaluru
Class : Class 5
a

Ans 5:

Sreyas from Don Bosco, Park Circus, Kolkata
Class : Class 5
class : 2 👿👿👿👿👿👿👿👿👿👿

Ans 6:

Arya Shreshth from Home School, Bengaluru
Class : Class 2
As per synopsis correct option is A.

Ans 7:

S.R.POORNA from Padma Seshadri Bala Bhavan Senior Secondary School, Chennai
Class : Class 2
B

Ans 8:

Raghav Srinivasan from GEAR, bangalore
Class : Class 5
as per synopsis correct option is A

Post Your Answer

SUDAY.GHAI from DPS , NOIDA
Subject :NSO    Class : Class 3

Post Your Answer