International Maths Olympiad Forum By SOF Olympiad Trainer - Page 452
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Adawaya Dua from Delhi Public School, Roorkee
Subject :IMO    Class : Class 3

Ans 1:

Eklavya Gondule from DPS Bhilai, BHILAI
Class : Class 7

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Harsh Kumar from Maharishi Vidya Mandir, Guwahati
Subject :IMO    Class : Class 7

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Rithvik from BVM Global, Chennai
Class : Class 8

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TAVISHI BHATTACHARYA from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Subject :IMO    Class : Class 4

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Prachi from Holy Child Public school, Faridabad
Class : Class 9
Answer is C

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Sriyansh from Surabhi , Hosapete
Subject :IMO    Class : Class 8

The given figure is made up of a triangle and two identical semi-circles. P and Q are the centres of semicircles. If EP is the radius of the semicircle and measures 14 cm, then find the total shaded area.


A156 cm2
B108 cm2
C250 cm2
DNone of these


The solution to this question by sof Olympiad trainer is: Area of the 2 semi-circles = 2(½ π 142) cm2 = 22/7 x 14 x 14 = 616 cm2 So, the answer is - Dbut both the semicircles are not completely shaded???????

Ans 1:

Naivedya Moondra from Lake Montfort, BANGALORE
Class : Class 8

Ans 2:

CHIRAG from JINDAL VIDYA MANDIR, RATNAGIRI
Class : Class 10
The solution explanation is wrong.two semicircles are not shaded only.

Ans 3:

Aaryan from New horizons public school , Mumbai
Class : Class 8

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Sriyansh from Surabhi , Hosapete
Subject :IMO    Class : Class 8

Ans 1:

Inesh Dheer from Bhavan Vidyalaya, Chandigarh
Class : Class 8

Ans 2:

Tagore Tathagath Gedela from Dimensions international College, Singapore
Class : Class 10
help me

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Adawaya Dua from Delhi Public School, Roorkee
Subject :IMO    Class : Class 3

Ans 1:

ARUNAV from SAI INTERNATIONAL, Bhubaneswar
Class : Class 8
numbers are not typed.

Ans 2:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
No numbers found

Ans 3:

SHAUNAK from St Xaviers School, HAZARIBAG
Class : Class 3
How can it be answered if the question is not perfect ?

Ans 4:

AYUSHMAN from St Marys Convent Sr Sec School Jaipur, JAIPUR
Class : Class 6
Numbers not found

Ans 5:

Tanush from presidency east, Bangalore
Class : Class 5
no numbers

Ans 6:

aarav m from kumarans, bengaluru
Class : Class 3
Numbers not found

Ans 7:

Anant Saxena from Delhi public school Gandhinagar , Gandhinagar
Class : Class 9

Ans 8:

Kriday from KDAV, Jamnagar
Class : Class 4
numbers are not printed

Ans 9:

ALBERT BERKMANS from ZYDUS SCHOOL FOR EXCELLENCE, AHMEDABAD
Class : Class 2
numbers are not given

Ans 10:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
No numbers found

Ans 11:

Adyasa Biswal from DAV, CUTTACK
Class : Class 8
No number given

Ans 12:

Asmita Ray from NPS, Chennai
Class : Class 5

Ans 13:

Devansh from asn senior secondary school, delhi
Class : Class 8
numbers not printed

Ans 14:

Aanya Sharma from Vibgyor high, Bangalore
Class : Class 3

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Harsh Kumar from Maharishi Vidya Mandir, Guwahati
Subject :IMO    Class : Class 1

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Dev Rawat from R D Rajpal School, New Delhi
Subject :IMO    Class : Class 8

Ans 1:

Pranav from Ganges valley school, Hyderabad
Class : Class 8
C is the answer

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Davin Samuel from IES, Kuwait
Subject :IMO    Class : Class 4

Ans 1:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
c

Ans 2:

SHUVRA MAITRA from THE HERITAGE , KOLKATA
Class : Class 4

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Netikaa Ray from Sri sathya Sai janana vikash school, Paradeep
Subject :IMO    Class : Class 3

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