International Maths Olympiad Forum By SOF Olympiad Trainer - Page 385
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Nia Guha from DPS Noida, Noida
Subject :IMO    Class : Class 1

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option A. 


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nikita dhingra from Delhi public school, Chandigarh, Chandigarh
Subject :IMO    Class : Class 9

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monica jindal from British Co Ed high school, Patiala
Subject :IMO    Class : Class 3

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Lakshyraj yadav from The shri ram aravali school , Gurgaon
Subject :IMO    Class : Class 5

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Devesh Kumar Shrivastava from Ramjas School, Pusa Road, New Delhi
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A):  The factors of 1,2,4,5,8,10,16,20,40,80 

Therefore, 80 has 10 factors. 


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Aryan Keswani from Delhi Public School, Mathura Road, New Delhi
Subject :IMO    Class : Class 6

Ans 1:

Prapti Kumar from GD Birla Center For Education, Kolkata
Class : Class 9

Ans 2:

Prachi from Holy Child Public school, Faridabad
Class : Class 10

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): Number of shirts bought by Ashima = x
∴ Number of jeans bought by her = x + 5
∴ Number of watches bought by her
= (x + 5) – 2 = x + 3
∴ Total number of things bought by her
= x + (x + 5) + (x + 3) = 23


Ans 4:

Ojaswi from SAINT JOHNS CONVENT SCHOOL LANSDOWNE, DELHI
Class : Class 6

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Kunsh Makani from NES, Mumbai
Subject :IMO    Class : Class 1

Ans 1:

Anugya from Delhi Public School Whitefield, Bangalore
Class : Class 5

Ans 2:

Saiansh Biswas from Little Flower School, Jamshedpur
Class : Class 4
A cylinder can roll....who can answer is zero

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):

There is no object which can roll but not slide.


Ans 4:

Samarth Shenoy from Jindal Vidya Mandir , Bellary
Class : Class 5

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Arihant kumar from Delhi public school,EOK, New Delhi
Subject :IMO    Class : Class 6

Ans 1:

Utkarsh Priyam from DSE, hyderabad
Class : Class 10
The use of word 'row' in place of 'raw' is confusing. Data in original form is called 'raw' data.

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option B. 


Ans 3:

mystic bro7pro from arbor school, Hyderabad
Class : Class 5
a

Ans 4:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 10

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Devesh Kumar Shrivastava from Ramjas School, Pusa Road, New Delhi
Subject :IMO    Class : Class 5

Ans 1:

Seerat Kaur Sowanni from Deens Academy, Bangalore
Class : Class 6
yeah, it is 23

Ans 2:

Ojas Garg from Fr. Agnel School Noida, Noida
Class : Class 5
yes

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A):

Triangles formed are : A, B, C, D, E, F, G,
H, I, J, K, BC, EF, BH, FJ, HI, IJ, HIJ, FJK,
BHG, DCEI, ABCDEF, XYZ
 Number of triangles formed = 23.


Ans 4:

NAMAN SINGH from SETH ANANDRAM JAIPURIA SCHOOL, Ghaziabad
Class : Class 8

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Diti Sharma from Amity International School, Noida
Subject :IMO    Class : Class 9

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