National Science Olympiad Forum By SOF Olympiad Trainer - Page 737
  1. Home
  2. /  Forum

User Forum

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

Ans 1:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
x=20 and y= 25 read the last line of the question and you will find out

Ans 2:

AARNA Kapse from The swaminarayan school, Nagpur
Class : Class 7
B is the correct answer.

Ans 3:

shreyash rawat from podar international school, pune
Class : Class 8
option c is wrong only y has 25ml volume and x has 50ml , z also has 50 ml of volume so , option b is correct

Ans 4:

Bhavya Jain from K.R Manglam World School, Ghaziabad
Class : Class 8
B is 25ml which is less than 30 ml ... B is the answer

Ans 5:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
Yajat is correct because if you read the question carefully , it is written '30 ml of watter' which means that it was already filled with 30 ml of water. now x=50-30=20cm3 and y =75 - 50 = 25 mlSo correct option is c.

Ans 6:

sauradeep from j v m Shyamali , ranchi
Class : Class 10
DEFINITELY IT IS B

Ans 7: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 8:

Ruhaan Singh from Gopalan International School, Bangalore
Class : Class 7
B

Ans 9:

SHUBHANI LAKHERA from ANN MARY SCHOOL, Dehradun
Class : Class 5
Both B and C are right so please don’t quarrel

Ans 10:

Akshaj V from PSBB Senior Secondary School, Chennai
Class : Class 6
When you put R on the surface you will find that it does not weigh more than 30 units.

Ans 11:

Yajat Manoj from Vibgyor, Bengaluru
Class : Class 5
ANSWER is c as many people don't see that the container already had 30 ml of water

Ans 12:

krishneil from Elpro international school, Pune
Class : Class 6
When Y is put it looks like it rose from 50 to 70.

Ans 13:

Saipriya from Sankara, Chennai
Class : Class 9
yes dear B and C are correct SOF is wrong my dear kids please dont fight

Ans 14:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
I q

Ans 15:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
x is put in a vase of 30 ml water . then it becomes 50 ml . so , volume of x is 50 - 30 i.e. 20 ml . then after adding y , it becomes 75 ml . then , y is 75 - 50 i.e. 25 ml . both are less than 30 ml . so , the correct answer is C . understood ?

Post Your Answer

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

Ans 1:

Rimi from TLISK, pune
Class : Class 9
I like this question

Ans 2:

Adwik Bairagi from DPS Newtown, KOLKATA
Class : Class 5
Well, The question is tricky and it needs critical thinking. I thought B but it was D........surprising!

Post Your Answer

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

Ans 1:

Ybbn from Alphabet International School, Chennai
Class : Class 5
Absolutely, Rimi! You were right all along. I had some trouble grasping the solution at first, but your explanation really helped me understand it much better. Thank you!

Ans 2:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Class : Class 7

Ans 3:

Aarohi from Gear, Bengaluru
Class : Class 5

Ans 4:

shreyash rawat from podar international school, pune
Class : Class 8

Ans 5:

Rasha Ranjan from DPS NOIDA , Noida
Class : Class 5
c

Ans 6:

Rimi from TLISK, pune
Class : Class 9
The answer is C as the material P is compressed as shown in the picture related to that air is compressible while water is diificult to compress with respect to material Q.

Ans 7:

ishaan from lvis, noida
Class : Class 6

Ans 8:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 9:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 10:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 11:

Pratham Dave from GNS, Bangalore
Class : Class 7
Ccccccccccccccccccccc ccccccccccccccccccccccccccccc

Ans 12:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is C because air and water can be compressed

Ans 13:

TanulBhagwat from EIS, Pune
Class : Class 5

Post Your Answer

Sanjana Iyer from HFS Powai, Mumbai
Subject :NSO    Class : Class 6

Post Your Answer

Sanjana Iyer from HFS Powai, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
The correct answer will be A as Milky Way is a spiral-shaped galaxy and one revolution of the Earth is completed in about 365.25 days and this time period is called a solar year.

Ans 2:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
Please stop these kind of mistakes. I have given many complaints.

Ans 3:

Akash Mukhoti from Hiranandani Foundation School, Powai , Mumbai
Class : Class 10
please correct the mistake as the question says that which is the correct option instead of incorrect.

Ans 4:

Ashher Pervez from DPS Bhilai, Bhilai
Class : Class 10
I think the question was wrong as they ate showing incorrect statements. This means the question was like this. Which of the following statements are incorrect?

Ans 5:

Shriyann from Suniti Devi Singhania School, Thane
Class : Class 9

Ans 6:

Ashher Pervez from DPS Bhilai, Bhilai
Class : Class 10

Ans 7:

nimay gupta from Shiv Nadar School, noida
Class : Class 8
Excuse me. The answer is not b, its a. They say it themselves in the solution. I suppose it's a mistake

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Answer is A NOT b

Ans 9:

Saanvi from rvk, bengaluru
Class : Class 9
the question must be wrong.

Ans 10:

SAGNIK CHAKRABORTY from DELHI PUBLIC SCHOOL , KOLKATA
Class : Class 9
The answer is A

Ans 11:

Dipam from Podar International School, Aurangabad
Class : Class 8
(i) Milky Way is a spiral-shaped galaxy. --- Corrrect (ii) Planet Venus has 63 Moons. -------------Wrong ( it does not have moons) (iii) Satellites are small heavenly bodies that revolve around the Sun. --Wrong (they revolve around planets) (iv) One revolution of the Earth is completed in about 365 1/4 days. This time period is called a solar year. --Correct Therefore correct option is (A)

Ans 12:

BHAVYA JHA from GLOBAL CITY INTERNATIONAL SCHOOL, BANGALORE
Class : Class 6
They are asking for the CORRECT answer so its A

Ans 13:

Vinayak Subramani from Euroschool , Mumbai
Class : Class 7
there are too many silly errors in your papers like these. i am tired of writing complaints again and again. you better respond to this quickly. the explanation you have given in solution is correct but the answer is wrong. it should be 'a' and not 'b'.

Ans 14:

Ashutosh Sundresh from Shiv nadar, Faridabad
Class : Class 10
ANSWER IS A, NOT B AS THE QUESTION SAYS TO CHOOSE THE CORRECT OPTION AND NOT INCORRECT OPTION.

Post Your Answer

Rishit Verma from CMR NPS, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

Ishitadas from Adamas World school , Ichapur
Class : Class 8

Ans 2:

SHREYAN GUPTA from GARDEN HIGH SCHOOL, KOLKATA
Class : Class 9

Ans 3:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 4:

Devasree from Presidium, Ghaziabad
Class : Class 10
A is correct

Ans 5:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 6:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9

Ans 7:

Aarush from Podar, Mumbai
Class : Class 10

Ans 8:

Veda Dua from Delhi Public School, R. K. Puram, New Delhi
Class : Class 10
A

Ans 9:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 10:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8
I rock,i am the smartest and i say that A is correct

Ans 11:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 12:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 13:

ADVAY BANSAL from LOTUS VALLEY INTERNATIONAL SCHOOL GURUGRAM, GURUGRAM
Class : Class 6

Ans 14:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 15:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 16:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8

Ans 17:

Bhavya from ABC, Delhi
Class : Class 7

Ans 18:

Saanvi from rvk, bengaluru
Class : Class 9

Ans 19:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

Ans 20:

Pragnay Priyadarshi from Quantum Leap School, HYDERABAD
Class : Class 7

Post Your Answer

Rishit Verma from CMR NPS, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

NILARKA PAHARI from Young Horizons School, KOLKATA
Class : Class 6
Verrrrrrry easyyyy.

Ans 2:

NILARKA PAHARI from Young Horizons School, KOLKATA
Class : Class 6

Post Your Answer

Rishit Verma from CMR NPS, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

pradeep718 from DPS Internation, Singapore
Class : Class 2

Ans 2:

from ,
Class :
B....be coz both are plant derivatives....paper and cotton....

Post Your Answer

Rishit Verma from CMR NPS, Bengaluru
Subject :NSO    Class : Class 6

Post Your Answer

Rishit Verma from CMR NPS, Bengaluru
Subject :NSO    Class : Class 6

Ans 1:

PAYAL from DPS BHILAI, BHILAI
Class : Class 8
very important question .the main fanda is to understand the question/words. the answer is option A

Ans 2:

Valli Rams from Blossom Public School, Thanjavur
Class : Class 10
A

Ans 3:

Saanvi from rvk, bengaluru
Class : Class 9
the correct answer is a

Ans 4:

HIMANISH BASU from APS BANGALORE , Bangalore
Class : Class 7
A

Ans 5:

Vibhav Hatwal from Learning Paths School, Mohali
Class : Class 8
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 6:

Kartik Chauhan from Euro school , Pune
Class : Class 7

Ans 7:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9

Ans 8:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9

Ans 9:

pradeep718 from DPS Internation, Singapore
Class : Class 2
Answer : A

Ans 10:

NILARKA PAHARI from Young Horizons School, KOLKATA
Class : Class 6
very confusing question. Answer is option a.

Ans 11:

Vatsal Gupta from Mondrian House, DEHRADUN
Class : Class 6
A

Ans 12:

Sidharth Maheshwari from Pathways School Gurgaon, Gurugaon
Class : Class 6
a

Ans 13:

Anoushka Chhauda from Sanskriti, Pune
Class : Class 8

Ans 14:

Valli Rams from Blossom Public School, Thanjavur
Class : Class 10
A

Ans 15:

pranil mishra from KVS, bhubaneswar
Class : Class 10

Ans 16:

Anoushka Chhauda from Sanskriti, Pune
Class : Class 8

Ans 17:

SJ HARITHA from PSNLO, BENGALURU
Class : Class 10
a

Post Your Answer