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Mani Gupta from Carmel Convent School, Faridabad
Subject :NSO    Class : Class 8

Train P travels with a speed of 80 km/h from Delhi to Chennai. Train Q travels from Delhi to Chennai with a speed of 75 km/h. Which of the following statements is true?

ATrains P and Q have the same velocity as they are travelling in the same direction.
BTrains P and Q have same velocity but different speed.
CTrains P and Q have different speeds and different velocities.
DCan't say, as the given information is not enough.


Ans 1:

Pradanya from KV IIT, Chennai
Class : Class 3
what is the solution?

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Mani Gupta from Carmel Convent School, Faridabad
Subject :NSO    Class : Class 8

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Mani Gupta from Carmel Convent School, Faridabad
Subject :NSO    Class : Class 8

Ans 1:

Archi from , Delhi
Class : Class 9

Ans 2:

Dibyanshu Lahiri from Mont Fort Sr Sec School, Roorkee
Class : Class 8

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Mani Gupta from Carmel Convent School, Faridabad
Subject :NSO    Class : Class 8

Ans 1:

Ishat from DPS, GURUGRAM
Class : Class 8
the correct answer should be option c. i have verified this from the NSO olympiad book.

Ans 2:

Aahana Nischal from APL Global, Chennai
Class : Class 9

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tanay soham from BBPS, NOIDA
Subject :NSO    Class : Class 5

Ans 1:

Zayed Zaman from Global indian international school, Singapore
Class : Class 5

Ans 2:

Annika from Apeejay School, Noida
Class : Class 6

Ans 3:

Subharsish Kashyap from CARMEL SCHOOL, JORHAT
Class : Class 5

Ans 4:

Annika from Apeejay School, Noida
Class : Class 6

Ans 5:

Richeek from RN Podar School Santacruz, Mumbai
Class : Class 5

Ans 6:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is C because for germination a seed needs air, warmth and water. The seed doesn't needs sunlight.

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Asmit Dey from St Paul s Academy, Burdwan
Subject :NSO    Class : Class 6

Ans 1:

RICHIK MOULIK from Oxebow English School, ASHOKNAGAR
Class : Class 6
D is the appropriate answer

Ans 2:

Vedang Amonkar from Dr K B Hedgewar High School, Panaji
Class : Class 6
Easy 5/5 right?

Ans 3:

from , Varanasi
Class : Class 2
Answer no. D is correct dear girl

Ans 4:

Jahnvi Bajpai from Vibgyor High, Banagalore
Class : Class 6
yeah even I got 5/5

Ans 5:

Sushanth Sandesh Prabhu from Indira Priyadarshini School, Bangalore
Class : Class 6
D is the correct answer

Ans 6:

Sushanth Sandesh Prabhu from Indira Priyadarshini School, Bangalore
Class : Class 6
d is the answer

Ans 7:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 8
CORRECT ANSWER IS 'D' BECAUSE THEY ALL ARE OBTAINED FROM THE ROOTS OF THE PLANTS

Ans 8:

Pranit Sinha from Montfort School, Roorkee, Haridwar
Class : Class 6
5/5 to me.

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Naman Garg from Deens Academy,Gunjur, Bangalore
Subject :NSO    Class : Class 3

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Shivapriyaa from Delhi Public School, Chennai
Subject :NSO    Class : Class 8

A man fires a gun 150 m from a cliff. A second man who is standing 300 m further away from the cliff hears the gun 1 second after he sees the flash. The second man will hear the echo from the cliff



A 1 second after seeing the flash
B 2 seconds after hearing the gun
C 2 seconds after seeing the flash
D 4 seconds after hearing the gun.


The right answer is 3 seconds after seeing the flash but that is not even there in the option. Please check

Ans 1:

Student from School, City
Class : Class 8
It was 1 second after hearing the gun.

Ans 2:

SOHAM GHOSH from BMS, BURDWAN
Class : Class 9
Option C

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Paramveer from Rao Phalad Singh public school NARNAUL, Behror
Subject :NSO    Class : Class 7

Ans 1:

Pisal Dhruv from Veer Bhagat Singh International School, Mumbai
Class : Class 7
The most abundant element in the earth's crust is oxygen, making up 46.6% of the earth's mass. Silicon is the second most abundant element (27.7%), followed by aluminum (8.1%), iron (5.0%), calcium (3.6%), sodium (2.8%), potassium (2.6%). and magnesium (2.1%).

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nidhi from S M shetty HIgh school, MUMBAI
Subject :NSO    Class : Class 5

Ans 1:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
The answer is - A (Proteins)

Ans 2:

D Murari from Indian School of Excellence, Bangalore
Class : Class 5

Ans 3:

Piyush Kumar Pruseth from Sri Aurobindo Integral Education and Research Centre, Rajgangpur
Class : Class 5
A.Proteins

Ans 4:

Manasvi Nagpal from blooming dales international school, sri ganganagar
Class : Class 5
ANS IS A NO ERRORYOU MEAN ANYTHING IS WRONG SOMETHINGS ARE RIGHTOK

Ans 5:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
Yes protiens plays a cruical role in our diet

Ans 6:

Piyush Kumar Pruseth from Sri Aurobindo Integral Education and Research Centre, Rajgangpur
Class : Class 5
A.Proteins

Ans 7:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
you stupid

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