National Science Olympiad Forum By SOF Olympiad Trainer - Page 666
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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.

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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.

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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.

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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

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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
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Ans 2:

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

Ans 3:

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

Ans 4:

arin puri from dps, uyyu
Class : Class 8

Ans 5:

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

Ans 6:

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

Ans 7: (Master Answer)

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

Ans 8:

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

Ans 9:

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 10:

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

Ans 11:

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 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

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

Ans 20:

XXX from SVM, Bangalore
Class : Class 5

Ans 21:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 22:

ADVAY Rustagi from Vidyashilp Academy , Bengaluru
Class : Class 5
advika take a like ,109090909090 likes

Ans 23:

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 24:

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

Ans 25:

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

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

Ans 1:

Rishita Verma from Suncity School, Gurgaon
Class : Class 5

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:

Anhad A from Chrysalis, Bangalore
Class : Class 7

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

Ans 1:

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

Ans 2:

Aryan Swain from Kendriya Vidyalaya, Barimul, Kendrapara
Class : Class 6
The correct answer is D.

Ans 3:

Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Class : Class 5
Correct answer is =''D''

Ans 4:

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

Ans 5:

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 6:

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 7:

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

Ans 8:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 8
ANS=d

Ans 9:

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

Ans 10:

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

Ans 11:

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 12:

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

Ans 13:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 8
The dress shown here is Kimono and is a traditional dress of Japan.

Ans 14:

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 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

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

Ans 20:

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

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

Ans 1:

ADHRIT SINGH from RPM ACADEMY, Gorakhpur
Class : Class 1
The correct answer is D .

Ans 2:

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

Ans 3:

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

Ans 4: (Master Answer)

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

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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:

ADHRIT SINGH from RPM ACADEMY, Gorakhpur
Class : Class 1
The correct answer is C

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Gulzar Russell from Kendriya Vidyalaya No.1, Calicut
Subject :NSO    Class : Class 8

Ans 1:

Harshit from Army Public School, Lucknow
Class : Class 9
Hi friend. The ans is (A) amplitude of vibrating body. HOPE THIS HELPS!!!!

Ans 2:

AAshutosh Jindal from HOLY angels school, RAJPURA
Class : Class 8
The ans is A,B

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