International Maths Olympiad Forum By SOF Olympiad Trainer - Page 685
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Arnav Raj Sharma from Dpsvk, Gurgaon
Subject :IMO    Class : Class 6

Ans 1:

Yuvraj Singh Gill from Loyola school , Bhubaneswar
Class : Class 7

Ans 2:

from ,
Class :
Answer is d

Ans 3:

Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Class : Class 8
In pascal's triangle, the 1st row is always 1, second row is natural number, 3rd is of numbers which can form triangles, 4th is of numbers which can form rectangles. So the number common in rows 2, 3

Ans 4:

from ,
Class :
Answer is d

Ans 5:

Lakshay Sharma from Maxfort School Dwarka, New Delhi
Class : Class 8
Answer is D. We can form a triangle and rectangle with 12 dots.

Ans 6:

Anusha from LBS School , Kota
Class : Class 10

Ans 7:

Saidutta Sidhesh S M from RN PODAR, Mumbai
Class : Class 10
ANS = D

Ans 8:

Rohan Parthasarathy from TSA, BLR
Class : Class 9
It should be both D and B

Ans 9:

Nivin from Euro school, BANGALORE
Class : Class 3
Ans=B

Ans 10:

Miraya Agarwal from School of india, Bengaluru
Class : Class 6
answer is d not b. you can make a rectangle and a line and a triangle with 12 dots

Ans 11:

from ,
Class :

Ans 12:

Lakshay Sharma from Maxfort School Dwarka, New Delhi
Class : Class 8
answer is D only but it is showing B

Ans 13:

Kumar Krishiv from Apeejay School, Noida
Class : Class 8
Answer can be B and D both

Ans 14:

from ,
Class :
Answer is d.

Ans 15:

from ,
Class :
There is no mention of what type pattern, we can make line, triangle and rectangle with 12 dots also

Ans 16:

Sinchana J R from Ssv hi tech education, Davangere, DAVANAGERE
Class : Class 6
Ans is D and B also....

Ans 17:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Answer is definitely D because 12 is divisible by both 4 and 3 so rectangle and triangle both can be made ............ line can be made from all numbers

Ans 18:

Anika Saha from New Town School, KOLKATA
Class : Class 6
the answer is D.

Ans 19:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
Check the solution

Ans 20:

Ishaan Mishra from Sai International School, Bhubaneswar
Class : Class 7
Answer is definitely d. How can you make an square with 10

Ans 21:

Midhuna from ABCD, Banglore
Class : Class 3

Ans 22:

I Ryan Moses from Pincushion Montessori International School, Vellore
Class : Class 8
D, is the answer but it is showing wrong so you could choose B.

Ans 23:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
The ans is surely B

Ans 24:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Ans is surely D as rectangle

Ans 25:

Sharanyaa Tripathi from Uttam school for girls, Ghaziabad
Class : Class 8
D

Ans 26:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura
Class : Class 7
B

Ans 27:

Tanmay 2009 from MVN Aravali Hills, Faridabad
Class : Class 6
Ans. should be D

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GANIA RATHORE from vidya mandir estancia, kanchipuram district
Subject :IMO    Class : Class 5

Ans 1:

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

Ans 2:

Deo from Dps, Mumbai
Class : Class 8
b

Ans 3:

SK MAJID ALI from Bharati Vidyapeeth Sec. & Sr, Sec.English Medium School, Pune
Class : Class 3
and you all check in the library books or in any other book shop

Ans 4:

Kiran from DPS, Bengaluru
Class : Class 4
answer is b

Ans 5:

SK MAJID ALI from Bharati Vidyapeeth Sec. & Sr, Sec.English Medium School, Pune
Class : Class 3
Ans D is wrong because successor means 1 and predecessor means -1. So, 5 in 7658321 is 50000, which is predecessor of 49999 not the successor

Ans 6:

SARVESH RAMESH from DPS MIS, QATAR
Class : Class 10

Ans 7:

SK MAJID ALI from Bharati Vidyapeeth Sec. & Sr, Sec.English Medium School, Pune
Class : Class 3
this answer has to be corrected

Ans 8:

Aaditya Biju from Indian Learners Own Academy, Kuwait
Class : Class 6
B is the answer because the place of value of 6 in the given number is 6000000, which is the successor of 5999999, not the predecessor.

Ans 9:

from ,
Class :
ANSWER - D

Ans 10:

Ritwika Biswas from KV no 1 , Goa
Class : Class 7
Ans is D

Ans 11:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Ans. B is incorrect because place value of 6 in 6734581 is 6000000, which is successor of 59999999 and not the predecessor

Ans 12:

Aditya Sai Kedarisetty from Sri Kumarans childrens Academy DKS, Bangalore
Class : Class 7
Their answer is correct.

Ans 13:

RISHI DESAI from GUNDECHA EDUCATION ACADEMY, MUMBAI
Class : Class 5
b

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Jai kumar Bohara from Dps, Udaipur
Subject :IMO    Class : Class 7

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Jai kumar Bohara from Dps, Udaipur
Subject :IMO    Class : Class 7

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from ,
Subject :IMO    Class : Class 4

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from ,
Subject :IMO    Class : Class 4

Ans 1:

Anoushka Chhauda from Sanskriti, Pune
Class : Class 8
answer should be B

Ans 2:

from ,
Class :

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Rohit Barate from Little Scholars Public School, kasarakheda
Subject :IMO    Class : Class 5

Ans 1:

Navneeth Reejish from Yuvabharati International school, Singapore
Class : Class 7
(B) 40

Ans 2:

Rohit Barate from Little Scholars Public School, kasarakheda
Class : Class 5
B] 40

Ans 3:

Aaditya Biju from Indian Learners Own Academy, Kuwait
Class : Class 6
B) 40.

Ans 4:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
yes, it should be 40

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Raghav Tyagi from birla vidya niketan, new delhi
Subject :IMO    Class : Class 7

Ans 1:

from ,
Class :
A is the correct option as any number whethr rational,integer,whole,natural or any othe number multiplbly with 0 remains 0 as the answer.

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Raghav Tyagi from birla vidya niketan, new delhi
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

from ,
Class :
The correct answer is B.

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from ,
Subject :IMO    Class : Class 8

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