International Maths Olympiad Forum By SOF Olympiad Trainer - Page 804
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Ishita from Chrysalis high, Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

mohanananda from delhipublicschool, Dhanbad
Class : Class 8
you have to practice atleast 2 to 3 hours in a day maths , follow the syllabus.

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Sunaina Pati from Sarala Birla Gyan Jyoti, Guwahati
Subject :IMO    Class : Class 1

Ans 1:

ANWESHA ANVI from DPS Noida, Noida
Class : Class 7
49 is the correct answer

Ans 2:

Annantjeet Singh from DPS, Bilaspur
Class : Class 7
22 + 27 = 49

Ans 3:

VASUNDHARA MADHAN MOHAN from NATIONAL PUBLIC SCHOOL, CHENNAI
Class : Class 4
22+27=49

Ans 4:

Rajanya Ghosh from DELHI PUBLIC SCHOOL BANGALORE EAST, Bangalore
Class : Class 8
49

Ans 5:

Annantjeet Singh from DPS, Bilaspur
Class : Class 7
the answer is 49

Ans 6:

Aarush Pathak from Vibgyor High Magarpatta City, Pune
Class : Class 6
49

Ans 7:

Tanvi Ritisha Dash from delhi public school bangalore east, Bengaluru
Class : Class 6
49

Ans 8:

Ashmita Choudhury from Delhi Public School Noida, Noida
Class : Class 8
22+27=49

Ans 9:

ABCDE from admin, Noida
Class : Class 3
It is 49.

Ans 10:

Pranavk from VIP Bangalore , Bengaluru
Class : Class 5
49

Ans 11:

DEVANSHI MALHOTRA from DPS Noida, Noida
Class : Class 5
22+27=49

Ans 12:

Aryan Sirohi from mount litera zee school, Bengaluru
Class : Class 4
49

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Sunaina Pati from Sarala Birla Gyan Jyoti, Guwahati
Subject :IMO    Class : Class 1

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Sunaina Pati from Sarala Birla Gyan Jyoti, Guwahati
Subject :IMO    Class : Class 6

Ans 1:

ramesh datta from DPS dwarka , New Delhi
Class : Class 7
what is the full question

Ans 2:

abhinav from fitjee world school, Hyderabad
Class : Class 8
it may be (a+b)(a-b) so it will be a^2-b^2

Ans 3:

Kusumanchi Vinay from narayana etechno school,madhapur,hyderabad, Hyderabad
Class : Class 6
full question please

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bhargavi from Yuva Bharathi, Singapore
Subject :IMO    Class : Class 7

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ppsk301@gmail.com from Pawar Public School Kandivali, Mumbai
Subject :IMO    Class : Class 5

Ans 1:

Pranav Goyal from Delhi Public School,Noida, Noida
Class : Class 6
Isolation triangle is nothing. It's an isosceles triangle that has 2 sides of equal length.

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Mohammed Najl from Credence high school Dubai, Dubai
Subject :IMO    Class : Class 2
c

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VEDIKA AJAY KOTGIRE from TINY ANGELS ENGLISH MEDIUM SCHOOL, Nanded
Subject :IMO    Class : Class 7

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VEDIKA AJAY KOTGIRE from TINY ANGELS ENGLISH MEDIUM SCHOOL, Nanded
Subject :IMO    Class : Class 7

Ans 1:

Sanchay Baranwal from Basava International School, New Delhi
Class : Class 9
The supplements would be- x degree and 2x-45 degree. We all know that two supplements together measure 180 degrees. So, we have- x+2x-45=180 =3x-45=180 =3x=180+45 (On Transposing -45 to RHS becomes+45) =3x=225 =x=225/3 (On Transposing *3 to RHS becomes /3) =x=75 degrees (This is the first angle) So, 2nd angle= 2x-45= 2*75-45= 150-45= 105 degrees On checking, we have 105+75=180 degrees. So greater angle measures 105 degrees.(Answered and proved with explanation).

Ans 2:

Pulkit mittal from GAIL DAV PUBLIC SCHOOL, AURAIYA
Class : Class 9
THIS QA IS FROM IMO MTG BOOKLET 11 QA CH4

Ans 3:

Ketan Patil from PAWAR PUBLIC SCHOOL, BHANDUP, Mumbai
Class : Class 10
LET THE GREATER ANGLE BE x SINCE x IS 45 DEGREES LESS THAN TWO TIMES OF ITS SUPPLEMENT THEREFORE x+45=2(180-x) =>x+45=360-2x =>x+2x=360-45 =>3x=315 =>x=315/3 =>x=105 ANS. GREATER ANGLE IS 105

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VEDIKA AJAY KOTGIRE from TINY ANGELS ENGLISH MEDIUM SCHOOL, Nanded
Subject :IMO    Class : Class 7

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