International Maths Olympiad Forum By SOF Olympiad Trainer - Page 685
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Chiran Shunmugam from NPS International, Singapore
Subject :IMO    Class : Class 9

Ans 1:

Rudra kumar from Jawahar Navodaya vidyalaya, Sherghati
Class : Class 9
The seven pieces consist of 6 smaller equal pieces and one half cake piece. Weight of each small piece = 20 g. So, total weight of the cake = [2 x (20 x6)]g= 240 g.

Ans 2:

pratham garg from delhi public school, chandigarh
Class : Class 10
240 grams

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Amal Sumesh from Adani Public School, Mundra
Subject :IMO    Class : Class 7

Ans 1:

Shankar Eswarakumar from NPS International, Chennai
Class : Class 8

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is A.

Ans 3:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7
77 is correct answer.

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Amal Sumesh from Adani Public School, Mundra
Subject :IMO    Class : Class 7

Ans 1:

Kaushik Srivatsa H from Bala Vidya Mandir Global, Bangalore
Class : Class 7

Ans 2:

TANUJA JOSHI from ZYDUS SCHOOL FOR EXCELLANCE, Ahmedabad
Class : Class 7
ANSWER IS 13. FROM PATTERN 1 WE GET TO KNOW THAT THE PRODUCT OF SQUARE 1 AND 2 SUBTRACTED BY THE THIRD GIVES OUT THE NUMBER IN TRIANGLE.FOR INSTANCE, 5*4-8=12 3*5-4=11 4*5-7=13.

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Amal Sumesh from Adani Public School, Mundra
Subject :IMO    Class : Class 7

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Agastya Tripathi from dps gurgaon, Gurgaon
Subject :IMO    Class : Class 4

Ans 1:

Kush Bindal from GIIS, India
Class : Class 6

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Animesh Pathak from Bal Bharati Public School, Bilaspur(CHG)
Subject :IMO    Class : Class 6

Ans 1:

Nikkita from Euroschool Whitefield, Bengaluru
Class : Class 6
pls explain me the answer

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SHIVEN.DINKAR from Delhi Public School, Noida
Subject :IMO    Class : Class 2

Ans 1:

Yeasvith Vema from TMS, Gurgaon
Class : Class 6
B

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SHIVEN.DINKAR from Delhi Public School, Noida
Subject :IMO    Class : Class 2

Ans 1:

kyna from dps, uyyu
Class : Class 3
the correct answer is b

Ans 2:

Sumit Sharma from DPSN, NOIDA
Class : Class 2

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Ans 4:

ARIKA GAUR from GDGPS, MUZAFFARNAGAR
Class : Class 2

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Aditya Karri from Ganges School, Hyderabad
Subject :IMO    Class : Class 4

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SHIVEN.DINKAR from Delhi Public School, Noida
Subject :IMO    Class : Class 2

Ans 1:

Arrni Das from St George School, New Delhi
Class : Class 8
correct

Ans 2:

Aahandeep Nayak from St. Michael's School, SAVEDI
Class : Class 2

Ans 3:

Mayank Mishra from Delhi Public School Eldeco, Lucknow
Class : Class 5

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

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