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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:

Kokilavani K from Gateway The Complete School, Chennai
Class : Class 5

Ans 2:

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

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Ayana Garg from Universal High Dahisar, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

xyz from cambridge, Jalandhar
Class : Class 7
We all know the answer is B . It's not the Master Answer !!!!

Ans 2:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 5
the correct answer is A according to the pattern

Ans 3: (Master Answer)

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

Ans 4:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 5
sorry it is B . My mistake

Ans 5:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 5
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Ans 6:

xyz from cambridge, Jalandhar
Class : Class 7
We all know that the correct answer is B . It's not the Master Answer !!!!!

Ans 7:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 5

Ans 8:

ASHMI Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
See see seeIt is B Give me likesIf you like my poetry

Ans 9:

Koyel Biswas from Adamas World School, Kolkata
Class : Class 2
correct answer is a according to the pattern

Ans 10:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 5

Ans 11:

saisavit from sri kumaran ps, bangalore
Class : Class 3
B

Ans 12:

Angshu from Dehli Public School Bangalore East, Bangalore
Class : Class 5

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

Ans 1:

Anhad from Chrysalis, Bangalore
Class : Class 5

Ans 2:

Rishita Verma from Suncity School, Gurgaon
Class : Class 5

Ans 3:

Nishka Rawat from Inventure Academy, Bengaluru
Class : Class 4
one cycle from full moon to new moon or vise-versa = 15 days.15 days will be 28th but not 26th

Ans 4:

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 5:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 6

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

Ans 1:

xyz from cambridge, Jalandhar
Class : Class 7
The dress shown here is Kimono and is traditional dress of Japan . So answer D is correct .

Ans 2:

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

Ans 3:

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

Ans 4:

Devansh from mmvm, Udaipur
Class : Class 5
correct ANS= [d]

Ans 5:

Aaditya Kant from DPS, Nerul, Navi Mumbai
Class : Class 4
d

Ans 6:

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

Ans 7:

Tanishq Jatushkaran from Radcliffe,ulwe, Navi mumbai
Class : Class 4
ANS=(D)

Ans 8:

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

Ans 9:

Abhineet Nandy from DPS Whitefield, Bangalore
Class : Class 7
The answer is [D] None of these, because the picture shows Kimono which is the traditional dress of Japan

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

The given figure shows phases of the Moon as seen from the Earth surface (as shown with arrow point). The following statements describe the lunar cycle. Select the correct statement(s).

(1) The lunar phases progress from Full Moon, Crescent Moon, First Quarter Moon, Gibbous Moon and New Moon, before returning through Gibbous Moon, last Quarter Moon, Crescent Moon and Full Moon.
(2) From phase 1 to 3 waxing crescent is seen and from phase 7 to 9 waning crescent is seen.
(3) From phase 3 to 5 waxing gibbous is seen and from phase 5 to 7 waning gibbous is seen.
(4) 50% illuminated Moon is seen in phase '3' as well as in phase '7'.

A 1 only
B 1 and 3
C 1, 2 and 4
D 2, 3 and 4


d is the answer

Ans 1:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is D .

Ans 2:

Aditya singh from Dps greater Noida, Greater Noida
Class : Class 3

Ans 3:

TANVI D MARGHADE from PODAR INTERNATIONAL SCHOOL , POWAI MUMBAI
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:

SPRIHA SINGH from KV BEML Nagar, KGF
Class : Class 4
The correct answer is C

Ans 2:

Pranav Kannan from Phoenix Greens, Hyderabad
Class : Class 3
c

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

Ans 1:

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

Ans 2:

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

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Soumyaranjan Nath from Delhi Public School , Angul
Subject :NSO    Class : Class 9

Ans 1:

divanshi from sacred heart convent school, barnala
Class : Class 9
I AM NOT ABLE TO UNDERSTAND THE SOLUTION

Ans 2:

Adwyth G Nair from Chinmaya Vidyalaya Tripunithura, Kochi
Class : Class 10
as momentum is conserved, m1v=(mi m2)3/2v mi=(m1 m2)3/2 ( mutiply both sides )by rearranging and substituting 3m1=m2 the i got is 9

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Aniket Ghosh from DAV Public School Haldia, Haldia
Subject :NSO    Class : Class 5

Ans 1:

ANAN KALLIATH from Saraswathi Vidyalaya, Trivandrum
Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Ans 2:

ANAN KALLIATH from Saraswathi Vidyalaya, Trivandrum
Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Ans 3:

ANAN KALLIATH from Saraswathi Vidyalaya, Trivandrum
Class : Class 5
It should be C because we always wear woollen clothes when we go to hill stations and any other cold place . The rest all options show summer clothes but option C is a woollen cap.

Ans 4:

kpks14 from RIMT World School, Chandigarh
Class : Class 7
c

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