National Science Olympiad Forum By SOF Olympiad Trainer - Page 611
  1. Home
  2. /  Forum

User Forum

Ask Your Question
ishi gupta from dps secto 30, Noida
Subject :NSO    Class : Class 3

Ans 1:

Devansh from asn senior secondary school, delhi
Class : Class 8

Ans 2:

Mukund from GIIS, Bangalore
Class : Class 3

Ans 3:

anishkulkarni from City International School Kothrud, Pune
Class : Class 7
IT IS C

Ans 4:

Utsavi Priya from DPS RUBY PARK, KOLKATA
Class : Class 8
C I think

Ans 5:

ishi gupta from dps secto 30, Noida
Class : Class 3
how

Ans 6:

Midhuna from ABCD, Banglore
Class : Class 3
Yes... answer is both A

Ans 7:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
A

Ans 8:

Shaurya Shinde from Goldcrest High Vashi, Navi Mumbai
Class : Class 8
Answer:C

Ans 9:

Asit desh pandey from Mahindra World School, j
Class : Class 7
Answer is option C....

Ans 10:

Vartika kumar from D P S Newtown, Kolkata
Class : Class 8
Answer will be D only. Plastic may or may not be flexible. It depends upon type of plastic.

Ans 11:

Aarvi Gosai from The New Tulip International School, ahemdabad
Class : Class 4
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Ans 12:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
the correct answer is A.

Ans 13:

Somesh Anand Chourikar from Centre point school, Nagpur
Class : Class 3
Answer can be A and D

Ans 14:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Answer can be both A and D

Ans 15:

ayush kumar from dps noida, delhi
Class : Class 8
You haven't red the question carefully

Ans 16:

Agrima Ghosh from DPS NEWTOWN, KOLKATA
Class : Class 3
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 17:

Aarvi Gosai from The New Tulip International School, ahemdabad
Class : Class 4
Ayush you made a spelling mistake and also the answer is A

Ans 18:

Rumi from Greenwood High, Bengaluru
Class : Class 5
Its A

Ans 19:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
IT IS C.......................................................................................................................................................

Ans 20:

Aarvi Gosai from The New Tulip International School, ahemdabad
Class : Class 4
jythubjnhcwiu2

Ans 21:

Tejaojas Abhilash from Naipunya Public School , Kochi, Kochi
Class : Class 9
a

Post Your Answer

Mannat Verma from Vivek High School , Chandigarh
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Post Your Answer

Mannat Verma from Vivek High School , Chandigarh
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

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

Post Your Answer

Devang Bansal from St Kabir Public School, Chandigarh
Subject :NSO    Class : Class 9

Ans 1:

Yogesh Agrawal from Netizens IIT JEE Foundation , Latur
Class : Class 9
the wave length in air by v=n.lemda, so 350 = 700 . wavelength so wave length = 0.5 m Now when it enters in brass, v = 3500 m/s, so new wavelength = 3500 / 700 = 5 m. So answer is option A, i.e. wavelength will be increased by a factor of 10.

Post Your Answer

Devang Bansal from St Kabir Public School, Chandigarh
Subject :NSO    Class : Class 9

Ans 1:

Rikhil Gupta from Christ Academy, Bengaluru
Class : Class 9
lets go column wise(up to down) in the first one, the topmost value is 7. if we multiply this value with the second last value(i.e. 3), we get 21. now we must add this 21 with the second term(i.e. 8), and we get the last term that is 29. follow the same logic

Ans 2:

Kokilavani K from Gateway The Complete School, Chennai
Class : Class 9

Post Your Answer

Ayana Garg from Universal High Dahisar, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
sorry it is B . My mistake

Ans 2:

saisavit from sri kumaran ps, bangalore
Class : Class 8
B

Ans 3:

Prasanna Hegde from Vibgyor High Horomavu, BENGALURU
Class : Class 5
B is the answerIt is very easy

Ans 4:

Armaan from BVRTSE, Pune
Class : Class 5
how? according to pattern its A

Ans 5:

SRIRAM SRINIVASAN PAKU from KENDRIYA VIDHALAYA ASHOK NAGAR, CHENNAI
Class : Class 6

Ans 6:

Asit desh pandey from Mahindra World School, j
Class : Class 7
B is the answer.

Ans 7:

Ashwak from Cambridge, Jalandhar
Class : Class 9
We all know the answer is B . It's not the Master Answer !!!!

Ans 8:

arin puri from dps, uyyu
Class : Class 8

Ans 9:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
See see seeIt is B Give me likesIf you like my poetry

Ans 10:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9

Ans 11:

ayush kumar from dps noida, delhi
Class : Class 8
hey do not confuse me!!!!!!!!!!!!!!!

Ans 12:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuucccccccccccccccccccccccccccccccccccccccccccccccccccckkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

Ans 13:

Haris from Deens academy , Banglore
Class : Class 5
all the question answers are b

Ans 14:

Yatindra G from SBOA, Chennai
Class : Class 4
it is like 1 and 1 space and then 1 more so accordingly the answer is B it's the MASTER ANSWER!!!

Ans 15:

ayush kumar from dps noida, delhi
Class : Class 8
You do not know what is the patten so kindly do not write anything.

Ans 16:

advay Rustagi ieo topper from Vidyashilp Academy , Bengaluru
Class : Class 5
advika take a like ,109090909090 likes

Ans 17:

XXX from SVM, Bangalore
Class : Class 5

Ans 18: (Master Answer)

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

Ans 19:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9

Ans 20:

Sidharth V from Hindustan International School, Chennai
Class : Class 4
In a circle there is 8 parts in 1 one the top 4 part from left side is shaded in the 2 one the top 3 part is shaded from the left side then on the 1 one then on the bottom 1 one 3 part 4 part . Accordingly b is the answer

Ans 21:

Ashwak from Cambridge, Jalandhar
Class : Class 9
We all know that the correct answer is B . It's not the Master Answer !!!!!

Ans 22:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 23:

Koyel Biswas from Adamas World School, Kolkata
Class : Class 5
correct answer is a according to the pattern

Ans 24:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9

Ans 25:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 9
the correct answer is A according to the pattern

Post Your Answer

tanmay from amaatra academy, bangalore
Subject :NSO    Class : Class 5

Ans 1:

Anhad A from Chrysalis, Bangalore
Class : Class 7

Ans 2:

Kashvi Rawat from Gear Innovative International School, Bengaluru
Class : Class 3
one cycle from full moon to new moon or vise-versa = 15 days.15 days will be 28th but not 26th

Ans 3:

SOURADEEP SHARMILA MANDAL from KENDRIYA VIDYALAYA IISC, Bengaluru
Class : Class 7
you are right it is 13 days not 14 (I too made the same mistake)

Ans 4:

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

Ans 5:

Rishita Verma from Suncity School, Gurgaon
Class : Class 5

Post Your Answer

Saina from DPS, Noida
Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Tanishq Jatushkaran from Ryan International School, Navi mumbai
Class : Class 8
ANS=(D)

Ans 3:

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

Ans 4:

Agriye Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 4
Correct answer is =''D''

Ans 5:

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

Ans 6:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
D is correct

Ans 7:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 5
The correct answer is D.

Ans 8:

Abhineet Nandy from DPS Whitefield, Bangalore
Class : Class 9
The answer is [D] None of these, because the picture shows Kimono which is the traditional dress of Japan

Ans 9:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
THE answer is D

Ans 10:

somesh from Centre point katol road, Nagpur
Class : Class 6
It is d

Ans 11:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4

Ans 12:

Devansh from asn senior secondary school, delhi
Class : Class 8
correct ANS= [d]

Ans 13:

Rupsa Bhattacharjee from South City International School, Kolkata
Class : Class 5
Correct answer is D

Ans 14:

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

Ans 15:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
ANS=d

Ans 16:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
The dress shown here is Kimono and is a traditional dress of Japan.

Ans 17:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The dress shown here is Kimono and is traditional dress of Japan . So answer D is correct .

Ans 18:

Yatindra G from SBOA, Chennai
Class : Class 4
The answer is (D) because there is a Kimono, and it is the traditional dress of Japan.

Ans 19:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
The correct answer should be option D as this is a Kimono in the picture and a Kimono is the traditional dress of Japan

Ans 20:

shalini mittal from DPS Greater Noida, Greater noida
Class : Class 4

Post Your Answer

Pranav Kannan from Phoenix Greens, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

TANVI D MARGHADE from PODAR INTERNATIONAL SCHOOL POWAI, MUMBAI
Class : Class 6

Ans 2: (Master Answer)

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

Ans 3:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is D .

Ans 4:

Shivangi singh from Dps greater Noida, Greater Noida
Class : Class 4

Post Your Answer

Pranav Kannan from Phoenix Greens, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Pranav Kannan from Phoenix Greens, Hyderabad
Class : Class 3
c

Ans 2:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is C

Post Your Answer