International Maths Olympiad Forum By SOF Olympiad Trainer - Page 419
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ranjani from sancta maria, Hyderabad
Subject :IMO    Class : Class 8

Ans 1:

Arnab Jana from KTPP High School, KTPP
Class : Class 9
c

Ans 2:

rishu Raj from dav public school dhanupura ara , ara
Class : Class 8
answer c

Ans 3:

Ansh Goel from DAV public school, Delhi
Class : Class 9
Answer is option c because rational no.s are associative under additional and multiplication only

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samik from Sri Sri Ravishankar Vidya Mndir, Mumbai
Subject :IMO    Class : Class 7

Study the statements carefully.
(1) Every integer is a rational number and every fraction is a rational number.
(2) A rational number is positive, if p and q are either both positive or both negative.
(3) A rational number is negative, if one of p and q is positive and other is negative.
(4) If there are two rational numbers with common denominator, then the one with the larger numerator is larger than the other.Which of the following options hold?

ABoth (1) and (4) are incorrect
BBoth (2) and (3) are incorrect
COnly (1) is incorrect
DAll are correct


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student from school, city
Subject :IMO    Class : Class 6

Ans 1:

Subharsish Kashyap from Carmel school, Jorhat
Class : Class 8
option b is correct because there are 5 obtuse angles : ROS, QOS, POS, ROT, QOT

Ans 2:

Ishayu Poddar from NPS Whitefield, Bangalore
Class : Class 7
there are 5

Ans 3:

Siddhanth Subramanian from Global Indian International School , Singapore
Class : Class 7

Ans 4:

Prabhav Kaushik from DPS Noida, Noida
Class : Class 8

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Pagadala Sri Pranya from Bharatiya Vidya Bhavans Public School Vidyashram, HYDERABAD
Subject :IMO    Class : Class 5

Ans 1:

S Tharuni from Sanskriti, Hyderabad
Class : Class 7
the correct answer is (c)

Ans 2:

Pagadala Sri Pranya from Bharatiya Vidya Bhavans Public School Vidyashram, HYDERABAD
Class : Class 5
AL=2,KJ=2,IH=2,GF=2,ED=2.SO,2 2 2 2 2=10.BC=10so10 10=20breadth=7x2=14so20 14=34how can option C be correct

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Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :IMO    Class : Class 3

Ans 1:

Tavish Singh from Sanskriti School, Hyderabad
Class : Class 4
ball

Ans 2:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8

Ans 3:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
SolutionExcept (B) all the three are spherical balls.

Ans 4:

Abhijay Saha from Delhi Public School, Megacity, Kolkata
Class : Class 3

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Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :IMO    Class : Class 3

Ans 1:

Nihira Tiwari from Delhi public school electronic city, Bengaluru
Class : Class 5
Focus on numbers

Ans 2:

Shivani Sharma from Holy Angels ISC school , Thiruvananthapuram
Class : Class 3
Lalita is first then how can Piyush stood after Lalita

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Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :IMO    Class : Class 3

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SOUVAGYA SAHA from De Nobili School, DHANBAD
Subject :IMO    Class : Class 4

Ans 1:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 8
A

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ranjani from sancta maria, Hyderabad
Subject :IMO    Class : Class 8

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Dev from Ambassador , Dubai
Subject :IMO    Class : Class 1

Ans 1:

Trisha sahu from Apeejay School, Nerul
Class : Class 5

Ans 2:

Trisha sahu from Apeejay School, Nerul
Class : Class 5

Ans 3:

Harsh Kumar from Maharishi Vidya Mandir, Guwahati
Class : Class 8
Number of squares in given figure = 9 Area of 9 squares = 576 cm 2 Area of 1 square = 576 ÷ 9 = 64 cm2 = 8 cm × 8 cm ∴ Side of 1 square = 8 cm ∴ Perimeter of the given figure = 20 × 8 cm = 160 cmSo the correct answer is B

Ans 4:

Aditya Sai Kedarisetty from Sri Kumarans childrens Academy DKS, Bangalore
Class : Class 6

Ans 5:

Trisha sahu from Apeejay School, Nerul
Class : Class 5

Ans 6:

Trisha sahu from Apeejay School, Nerul
Class : Class 5

Ans 7:

Pritam Rahul Durugkar from xxx, Pune
Class : Class 6
How did 20 came? Please explain.

Ans 8:

Trisha sahu from Apeejay School, Nerul
Class : Class 5

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