International Maths Olympiad Forum By SOF Olympiad Trainer - Page 368
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Devashish from DPS, Bhopal
Subject :IMO    Class : Class 4

Ans 1:

Aayansh jain from MRG school, Delhi
Class : Class 6
14sleeping lines 42 total lines

Ans 2:

Yash Suresh Karwa from Prince Academy, PARBHANI
Class : Class 8
A

Ans 3:

Manav from TFS Gunjur, Bengaluru
Class : Class 4
A

Ans 4:

Oscar Maltman from DBSEH, dubai
Class : Class 7

Ans 5:

Ishan Priyadarsi from Euro School, BENGALURU
Class : Class 7
how come A?

Ans 6:

Devansh from asn senior secondary school, delhi
Class : Class 7
there are 10 lines

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Yaiphabi from dddd, ddd
Subject :IMO    Class : Class 7

Ans 1:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

Ans 2:

Divisha Agarwal from DPS Noida, Noida
Class : Class 8
Guys! Could you tell the answer to this problem as their is no solution available for this question

Ans 3:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7

Ans 4:

Paridhi Umesh Kumar from Seven Square Academy, Thane
Class : Class 7
The answer shown is C but I think that it should be B i.e n-2

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Siddharth Jain from Pathways School Gurgaon, Gurugram
Subject :IMO    Class : Class 6

Ans 1:

Omi J from Aman Setu My School, Pune
Class : Class 7

Ans 2:

Nariya zarna from Gajera, Surat
Class : Class 6
6

Ans 3:

Nariya zarna from Gajera, Surat
Class : Class 6

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Divisha Agarwal from DPS Noida, Noida
Subject :IMO    Class : Class 6

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D VISHNU from NARAYANA SCHOOL, CHENNAI
Subject :IMO    Class : Class 8

A field is in the form of an isosceles trapezium whose perimeter is 215 m. One of its non-parallel side is 50 m. What is the sum of its parallel sides?

A 115 m
B 60 m
C 165 m
D 135 m


Let ABCD be the field which is in the form of an isosceles trapezium. AD = 50 m [Given] ∴ BC = 50 m [Non-parallel sides of an isosceles trapezium are of equal length] Perimeter of trapezium ABCD = AB BC CD DA ⇒ 215 = (AB CD) 50 50 ⇒ 215 = 100 (AB CD) ⇒ (AB CD) = 215 – 100 = 115 m ∴ Sum of parallel sides = 115 m

Ans 1:

Kushi V from Jss Public School, bangalore
Class : Class 8
A. 115

Ans 2:

Anshuman D from MVM, Hyderabad
Class : Class 9

Ans 3:

Akshara from NPS, Bengaluru
Class : Class 8
Answer is A

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Ojas Golyan from Indian school Sohar, Sohar
Subject :IMO    Class : Class 9

Ans 1:

sumay from Vedansh International School, Indore
Class : Class 9

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Tamajit Das from Bhavan's Tripura Vidya Mandir, Agartala
Subject :IMO    Class : Class 8

Ans 1:

CHIRAG from JINDAL VIDYA MANDIR, RATNAGIRI
Class : Class 10
The correct answer is 4.

Ans 2:

Nikhil Date from Lilavatibai Podar High School, Mumbai
Class : Class 8
The answer should be 4

Ans 3:

Hrishikesh Mavily from DPS, Bangalore
Class : Class 8
answer should be 4

Ans 4:

Abhjith S Kumar from Airport Senior Secondary school Karipur, Kozhikode Intl. Airport, Kozhikode Airport
Class : Class 9
Answer will be 1

Ans 5:

Pranav from Ganges valley school, Hyderabad
Class : Class 8

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Rishi Garhyan from DPSi, Gurgaon
Subject :IMO    Class : Class 7

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Manav from TFS Gunjur, Bengaluru
Subject :IMO    Class : Class 4

Ans 1:

Manav from TFS Gunjur, Bengaluru
Class : Class 4
Option B

Ans 2:

Manav from TFS Gunjur, Bengaluru
Class : Class 4
Option B

Ans 3:

lekhaj from NARAYANA, VISAKHAPATNAM
Class : Class 4
B

Ans 4:

Yash Suresh Karwa from Prince Academy, PARBHANI
Class : Class 8
B. 8.057

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Manav from TFS Gunjur, Bengaluru
Subject :IMO    Class : Class 4

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