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Dhananjay sharma from dps noida, ghaziabad
Subject :NCO    Class : Class 7

Ans 1:

rohan shah from chavara public school, dhule
Class : Class 8
TO STOP THE BLOOD FROM FLOWING BACK

Ans 2:

rohan shah from chavara public school, dhule
Class : Class 8
TO STOP THE BLOOD FROM FLOWING BACK

Ans 3:

RAHUL SINHA from D.A.V Public Koyla Nagar Dhanbad, dhanbad
Class : Class 7
It acts as a preventer which doesn't allows blood to flow back

Ans 4:

Harshita A from PSBB Millennium, Gerugambakkam, Chennai
Class : Class 7
it prevents the blood from flowing backwards!!!

Ans 5:

ayuj from Indirapuram Public School, Ghaziabad
Class : Class 7
valves prevent the backflow of blood in veins as the blood is flowing with slow speed

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Sumit Raj from Gyan Bharti Public School , PATNA, Bihar
Subject :NCO    Class : Class 8

Ans 1:

Aditya Raj from Mount Litera Zee School, Baijalpur, Hajipur
Class : Class 8
Router. A router is a network device that connects together two or more networks. A common use of a router is to join a home or business network (LAN) to the Internet (WAN). The router will typically have the Internet cable plugged into it, as well as a cable, or cables to computers on the LAN.

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Aryan Sirohi from Mount LItera Zee School, Bangalore
Subject :NCO    Class : Class 5

Ans 1:

ARNAV GARG from PRUDENCE SCHOOL, New Delhi
Class : Class 7
I agree

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vijayp466 from BHARATIYA VIDYA BHAVAN, PUNE
Subject :NCO    Class : Class 3

Ans 1:

saubhik from Navy children school , andhra pradesh
Class : Class 4
c

Ans 2:

RAHUL SINHA from D.A.V Public Koyla Nagar Dhanbad, dhanbad
Class : Class 7

Ans 3:

TANISHA.JAIN from Delhi Public School Noida, Noida
Class : Class 3
Let's see if the option D is the correct answer.

Ans 4:

Aditi Mahanti from DPS North Kolkata, Kolkata
Class : Class 3
windows 7

Ans 5:

Midhansh Navani from DPSG, Ghaziabad
Class : Class 3
option 1 windows 7

Ans 6:

alka panigrahi from PSBB Millennium, Chennai
Class : Class 4
Here is the list which shows the answer: Windows 10 - 2015 Windows 8.1- 2013 Windows 8- 2012 Windows 7 - 2009 Windows Vista-2007 Windows XP Professional x64-2005 Windows XP-2001 Windows ME-2000

Ans 7:

RAHUL SINHA from D.A.V Public Koyla Nagar Dhanbad, dhanbad
Class : Class 7
I think it's Best. Windows 8.1.

Ans 8:

kashif from rosemary land school, bihar sharif
Class : Class 9
C is the correct answer.

Ans 9:

DHEER PANDEY from CORNERSTONE SCHOOL, Hyderabad
Class : Class 6
i think c is the answer.

Ans 10:

Shaik Aaryan Ahmed from Gopalan National School, Bengaluru
Class : Class 3
i think its a

Ans 11:

Pratham from DPS Chandigarh, Mohali
Class : Class 4
Windows 2013

Ans 12:

alka panigrahi from PSBB Millennium, Chennai
Class : Class 4
Here is the list which shows the answer: Windows 10 - 2015 Windows 8.1- 2013 Windows 8- 2012 Windows 7 - 2009 Windows Vista-2007 Windows XP Professional x64-2005 Windows XP-2001 Windows ME-2000

Ans 13:

from , Vashali
Class : Class 5
A is windows 7 the n it will be the right answer

Ans 14:

sadhan sahoo from KENDRIYA VIDYALAYA NO.1 CUTTACK, Cuttack
Class : Class 3
the answer is (A)

Ans 15:

satvik mittal from happy hours school, New Delhi
Class : Class 3
C, 8.1 is the answer

Ans 16:

Jayanth from The Deens Academy, Bengaluru
Class : Class 4
please note that it is windows 8.1

Ans 17:

Pratham from DPS Chandigarh, Mohali
Class : Class 4
Windows 2013

Ans 18:

svanik from geethanjali vidyalaya, Bengaluru
Class : Class 5
wimdows 8.1

Ans 19:

ARHAN.CHAPLOT from DPS Noida, NOIDA
Class : Class 3
c

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Keshav Gupta from Prarambhika, Patna
Subject :NCO    Class : Class 6

Ans 1:

Saksham Singh Rawat from St Paul's School , Ayanagar
Class : Class 6
Excellent work

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Namratha from JGRVK, Bengaluru
Subject :NCO    Class : Class 5

Ans 1:

Asi F Khan from St.Michael.Sr.Sec.School, Gurgaon
Class : Class 5
A. Bulleted

Ans 2:

Akshat Iyer from Sri Kumaran Childrens Home, Bengaluru
Class : Class 7
A. Bulleted

Ans 3:

Prathvi from Vidyasagar school , Indore
Class : Class 5
A) bulleted

Ans 4:

from ,
Class : Class 6
A. Bulleted

Ans 5:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 6
The snapshot is not given

Ans 6:

ARGHAV from CITY INTERNATIONAL SCHOOL, PUNE
Class : Class 5
A. bulleted

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Sobhit Ranjan panda from Manav Rachna International school Charmwood, Delhi
Subject :NCO    Class : Class 7

Ans 1:

Dhananjay sharma from dps noida, ghaziabad
Class : Class 7
glucose-------(without the presence oxygen) ----alcohol+energy

Ans 2:

Arnav Bhardwaj from Indirapuram Public School, Ghaziabad
Class : Class 8
glucose ------------without use of oxygen--------------carbon dioxide + alcohol + energy

Ans 3:

Aditya kaushik from D.P.S Bhilai, Bhilai
Class : Class 7
glucose ........without the use of oxygen becomes alchohol + energy + carbon -di-oxide

Ans 4:

abhinav from fitjee world school, Hyderabad
Class : Class 8
c6h12o6 gives 2c2h5oh+2co2+2atp

Ans 5:

Aditya kaushik from D.P.S Bhilai, Bhilai
Class : Class 7
glucose ........without the use of oxygen becomes alchohol + energy + carbon -di-oxide

Ans 6:

Daksh dhasmana from St Francis school, Ghaziabad
Class : Class 7
Beech Ka booty

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Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NCO    Class : Class 7

Ans 1:

Tanaya Dalabehera from KV. no.1, BHUBANESWAR
Class : Class 7
B

Ans 2:

omprakash dwivedi from sri ma vidyalya, THANE
Class : Class 7
b

Ans 3:

Viral Dubey from Delhi Public School , CHHATARPUR
Class : Class 7
The answer is (c) Neice

Ans 4:

rohan shah from chavara public school, dhule
Class : Class 8
A) DAUGHTER

Ans 5:

Moaz Ali Akhtar from Bharati Vidya Mandir English Medium School , Kolkata
Class : Class 7
It's (b)

Ans 6:

Aditi Mahanti from DPS North Kolkata, Kolkata
Class : Class 3
1

Ans 7:

Anaswara Tk from , Ottapalam
Class : Class 7
B

Ans 8:

rohan shah from chavara public school, dhule
Class : Class 8
A) DAUGHTER

Ans 9:

Soumyaranjanrout Sonu from Freedom International School , Salepur
Class : Class 7
B

Ans 10:

Soumyaranjanrout Sonu from Freedom International School , Salepur
Class : Class 7
B

Ans 11:

Shubham Kale from vasundhara prathmik vidhyalay Ashti, Ashti
Class : Class 7
ANS.D

Ans 12:

Rock boy from Mar Ivanios Convent High School, Pune
Class : Class 7
B Niece

Ans 13:

Saranya Kapoor from Shikshantar, Gurugram
Class : Class 9
i think it should be (d), because the question says Sarika's brother (which can be mayank as it is clearly stated mayank's sister sarika) or if she has another brother, his niece.

Ans 14:

Ritam Medhi from NPS international school, Guwahati
Class : Class 7
A )daughter

Ans 15:

Sobhit Ranjan panda from Manav Rachna International school Charmwood, Delhi
Class : Class 9
B

Ans 16:

arijit paul from New Town School, Kolkata
Class : Class 9
d as mayanks sisters brother may be mayank or his brother if he has any

Ans 17:

vindhya varshini from DELHI PUBLIC SCHOOL NACHARAM, hyderabad
Class : Class 7
neice as nandini is daugther of mayank's sister

Ans 18:

Aditya kaushik from D.P.S Bhilai, Bhilai
Class : Class 7
D)

Ans 19:

Viral Dubey from Delhi Public School , CHHATARPUR
Class : Class 7
The answer is (c) Neice

Ans 20:

Abhay Tyagi from Billabong High International School, Noida
Class : Class 8
D) Niece or daughter If Sarika has only one brother, then that is Mayank. Then if She is his daughter, then the answer is A. But if Sarika has a brother other than Mayank?? Then it will be B. Because daughter of sister is niece. So the complete option ---> A + B = ~C~ NO! D. D)Niece or daughter. Hence proved.

Ans 21:

Anaswara Tk from , Ottapalam
Class : Class 7
B

Ans 22:

Tanaya Dalabehera from KV. no.1, BHUBANESWAR
Class : Class 7
A

Ans 23:

Aaditya Agarwal from Miniland Convent School , Hapur
Class : Class 7
Anaerobic respiration

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NIRANJANA from INDIRA NATIONAL SCHOOL, PUNE
Subject :NCO    Class : Class 4

Ans 1:

harshadaawate50@gmail.com from sinhgad, pune
Class : Class 4
AGYtfh

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Namratha from JGRVK, Bengaluru
Subject :NCO    Class : Class 5

Ans 1:

Aarush Semwal from DPS Noida, Noida
Class : Class 5
audio video interleave

Ans 2:

Akshat Iyer from Sri Kumaran Childrens Home, Bengaluru
Class : Class 7
answer is "B"

Ans 3:

Jayprakash Singh from john XXIII High school, virar
Class : Class 7
B

Ans 4:

Akshat Iyer from Sri Kumaran Childrens Home, Bengaluru
Class : Class 7
the answer is "b"

Ans 5:

Ayush Kumar from Maria Assupta Sr. Sec. Convent School, KASHIPUR
Class : Class 5
audio video interface (a)

Ans 6:

khushie from gdgps , Gurgaon
Class : Class 5
It is "B"

Ans 7:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 6
sorry, answer is B

Ans 8:

Udayan Sindhu Chaudhuri from The Indian School, NEW DELHI
Class : Class 7
A) audio video interface

Ans 9:

techinical harsh from Dav, ramnagar
Class : Class 5
B

Ans 10:

Srujhan from Global Indian international school, singapore
Class : Class 5
b

Ans 11:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 6
audio video interface (a)

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