National Science Olympiad Forum By SOF Olympiad Trainer - Page 748
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
Subject :NSO    Class : Class 5

Ans 1:

Sourav Jena from ODM public school , BHUBANESWAR
Class : Class 4
it is confusing ya

Ans 2:

Shreyansh Gupta from MVN, faridabad
Class : Class 7
not confusing let me explain it so when will we replace the sines it will be like this 36-12 divided by 4 6 divided by 2 multiplied by 3 so when will you solve it you will get the answer

Ans 3:

Anil sinha from DPS, Chandigarh
Class : Class 4

Ans 4:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

Ans 5:

Sohan Choudhury from Delhi Public School Electronic City Bengaluru, Bengaluru
Class : Class 6

Ans 6:

SRISANTH from Edify, Tirupathi
Class : Class 5
The bodmas rule is sometimes not applicable in some cases and if we use both methods it will take about 8 minutes.I even tested it

Ans 7:

Irresh Vijay from NPSI Singapore, Singapore
Class : Class 8

Ans 8:

CHEERANJIT MOHANTA from MATHOPE, BHUBANESWAR
Class : Class 5
how? can not understand.

Ans 9:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
I did not write the plus signs . It will be 4 6 , 3 3 and 3 9 .

Ans 10:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

Ans 11:

Siddhant Singhania from AGCS purulia, Puruliya
Class : Class 7

Ans 12:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

Ans 13:

Haroon T K from Silver Hills public school , Calicut
Class : Class 5

Ans 14:

Pratyusha Saha from South point school, Kolkata
Class : Class 6

Ans 15:

PARUL GHARSE from Vibgyor, Mumbai
Class : Class 6
it is really confusing

Ans 16:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
Very confusing.

Ans 17:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

Ans 18:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

Ans 19:

Trideev Reddy Maddirevula from IIPS, Riyadh
Class : Class 7
very confusing

Ans 20:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Everyone , pay attention . In this question , the BODMAS rule ( Bracket , Off , Division , Multiplication , Addition , Subtraction ) is used . Let me explain it . First transform all the signs . The ans . comes 36 - 12 -:- 4 6 -:- 2 x 3 . First we have to do division , then multiplication , then addition and then subtraction . Therefore :-36 - 12 -:- 4 6 -:- 2 x 3 \l/36 - 3 3 x 3 \l/ 36 - 3 9 \l/ 36 - 12 \l/ 24

Ans 21:

Ashee Srivastava from APEEJAY SCHOOL NOIDA , NOIDA
Class : Class 7
very confusing

Post Your Answer

Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
Subject :NSO    Class : Class 5

Ans 1:

Biju Pappachan from Rkc , Raipur
Class : Class 1
C is Correct

Ans 2:

Subhang Deep Sahu from Narayana CO Kadugodi Bangalore, Bangalore
Class : Class 8

Ans 3:

yuvraj tantia from birla public school, sri ganganagar
Class : Class 5
D is correct

Ans 4:

Diya Avinash from Treamis World School, Bangalore
Class : Class 6
Option C is the correct answer

Ans 5:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6
as per me d

Ans 6:

Shruthi from VIBGYOR, Mumbai
Class : Class 6

Ans 7:

Sanskriti Nagar from Rose Bud Academy, khagaria
Class : Class 5
Answer is C

Ans 8:

Goutham Ram from Lecole' Chempaka International, Trivandrum
Class : Class 5
D is right, take tobacco as an example.

Ans 9:

Archit Sanyal from Manav Rachna International , Gurgaon
Class : Class 5
Ytytytytyt it is c c c c c c c c c c c. C cc. C c c c c c

Ans 10:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 11:

Pratham Dave from GNS, Bangalore
Class : Class 7
C is the answer to this question

Ans 12:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
no as per me some resources are harmful like uranium as option d

Ans 13:

Rupkatha Bhattacharyya from Ashok hall girls high school, KOLKATA
Class : Class 8

Ans 14:

Kenisha Tamboli from Mansukhbhai Kothari National School, Pune
Class : Class 6

Ans 15:

Syeda Aleeza Zaidi from Somerville school Noida , Noida
Class : Class 5

Ans 16:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
How is C the answer? Water has minerals in it. Pls. explain.

Ans 17:

swastik Biswal from St Joseph Convent Higher Secendary school, Sambalpur
Class : Class 5
c correct one pls check it olympiad plz

Ans 18:

Arghya Kashyap from Modern Delhi Public School, Faridabad
Class : Class 8

Ans 19:

shaun joel dasari from subs, chennai
Class : Class 4

Ans 20:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 8
d

Ans 21:

Divyanshi from United international School, Bangalore
Class : Class 6
Therefore lot of correct options.

Post Your Answer

j pranav from Dehli Public School Nacharam, Hyderabad
Subject :NSO    Class : Class 7

Ans 1:

arijit paul from New Town School, Kolkata
Class : Class 9
I know this answer........................................its (C) Prove me if its wrong

Post Your Answer

Amruta Nasikkar from bgs nps, bangalore
Subject :NSO    Class : Class 5

Ans 1:

Bhavya Patidar from Mount Litra Zee School Indore MP India , Indore MP India
Class : Class 5
B-10

Ans 2:

Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
Class : Class 7
Deepak is standing in line there are 21 students in line. So , he is one standing in middle so 21 - 1 = 20 . So 20 divide by 2= 10 . Thus , there are 10 students from right as well as left .

Ans 3:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
12

Ans 4:

Bhavya Patidar from Mount Litra Zee School Indore MP India , Indore MP India
Class : Class 5
A-12

Ans 5:

Adarsh from DPS, Raipur
Class : Class 5
Answer is 11 as there are 10 people from the right side and 10 from left side except Deepak but Deepak is in middle so he will be counted as 11th 10 10 1 = 21.

Ans 6:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
It is 10

Ans 7:

Anusha Agarwal from Convent of jesus and Mary st Anthony junior college , Agra
Class : Class 8
it should be 10

Ans 8:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
It should be 10

Ans 9:

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

Ans 10:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer is option C - 11th not option B - 10th.

Ans 11:

Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
Class : Class 7
Deepak is standing in line there are 21 students in line. So , he is one standing in middle so 21 - 1 = 20 . So 20 divide by 2= 10 . Thus , there are 10 students from right as well as left .

Ans 12:

Adarsh from DPS, Raipur
Class : Class 5
Nishant Doshi is correct

Ans 13:

Aananya Singh from DPS East, Bangalore
Class : Class 4
option (b) is the right answer

Ans 14:

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

Ans 15:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 10
10

Post Your Answer

Agnibho from NPS international School Singapore,
Subject :NSO    Class : Class 6

Ans 1:

Sanjana Iyer from HFS Powai, Mumbai
Class : Class 9
does a baby have 300 bones?

Post Your Answer

NIRMAY JOSEPH from St Columba's School, New Delhi , New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Shruti Rajshree from NPS Indiranagar, Bengaluru
Class : Class 3
the answer is option d.

Post Your Answer

Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
Subject :NSO    Class : Class 5

Ans 1:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
CAN any one please explain where is U

Post Your Answer

Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
Subject :NSO    Class : Class 5

Post Your Answer

Advaitt S Koduri from Presidium Noida 31, NOIDA
Subject :NSO    Class : Class 2

Refer to the given flow chart and select the correct option regarding it.


A P can be deer or zebra.
B Q can be the animal whose young one is called calf and it gives us milk.
C R can be vulture while S can be hyena.
D All of these


V, I have no clue who I was in my room for a long way in which a man with my family and friends and family and friends are the best thing ever is a good time with the new version is hhhhhhhhhhhhhhhhhh3:24:4;5 and the other 😏😑🙈😁😂😃😑😜😎👺🤐🤐💤😴👺👺😺👵🏿👅👥👥👥👥✍🏾🖖🏽 🐌🐴🐤🙊🐸🦁🐸👞👩‍👩‍👦‍👦👩‍👩‍👦‍👦👨‍👨‍👧‍👦👩‍👩‍👧👨‍👨‍👧👩‍👩‍👧‍👦👨‍👩‍👦‍👦🐤🌸🌸🐚🌕🌒🌛🌟🌤🌧🌧💥🔥⚡️🌩❄️☔️💧☂🌫🌪💦🍏🍎🍐🍐🍊🍋🍊🍊🍐🍎🍎🍇🌽🍤🍤🍖🌯🍸🍹🍷🍶🍽🍴⚽️🏉⚾️⚾️⚾️⛸🏏🏑🏒⛷⛷🏓🎿🏸⚖⏰💴🔋🗑🕯🔦📡🇨🇽🇨🇫🇰🇾🇧🇶🇨🇲🇧🇳🇧🇬🇧🇬🇧🇳🇧🇬🇧🇬🇧🇬🇧🇬🇧🇫🇧🇫🇧🇫🇧🇫day rd:33/::4://33333333345:5(,(6)))(.(,'nnnmmjjhnhh dry ft the time to yyhyy

Ans 1:

Aarav nikalji from Apeejay school nerul , Navi Mumbai
Class : Class 4
yes

Ans 2:

ritvik from New Horizon Gurukul, Bengaluru
Class : Class 5
B

Post Your Answer

NIRMAY JOSEPH from St Columba's School, New Delhi , New Delhi
Subject :NSO    Class : Class 4

Ans 1:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
B

Ans 2:

Jordan Cole from NCS Arakkonam, Arakkonam
Class : Class 3
the option is B

Ans 3:

Kanjani Ghonge from Ira Global School, Dombivli
Class : Class 8
B

Ans 4:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
Yes it is option B

Ans 5:

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

Ans 6:

Kanjani Ghonge from Ira Global School, Dombivli
Class : Class 8
Because Z has no semetric line

Post Your Answer