International Maths Olympiad Forum By SOF Olympiad Trainer - Page 358
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Advik Nayyar from Aryan International School, VARANASI
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B)

There are 21 chairs in a classroom.
1 chair = 4 legs
21 chairs = 4 x 21 = 84 legs
So, the total number of legs of the chairs in the classroom is 84.
The correct answer is Option B.


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Edha from PSBB Millenium, Coimbatore
Subject :IMO    Class : Class 3

Ans 1:

Aishani Chatterjee from Garden High School, Kolkata
Class : Class 4
Colours of capscicums are not visible as the picture is black and white!

Ans 2:

Aishani Chatterjee from Garden High School, Kolkata
Class : Class 4

Ans 3:

Sri Akshara from CL Metha Sishya OMR School, Chennai
Class : Class 3

Ans 4:

Kohana Agarwal from Jamnabai Narsee School, Mumbai
Class : Class 3
The colour if the picture is black and white

Ans 5:

Avni Narayan from The Foundation School, Bangalore
Class : Class 3
The picture is black and white. How can we identify?!

Ans 6:

Nithya Soman from The Charter School, Eranakulam
Class : Class 2
Its black and white

Ans 7:

Priyanshi Prasad from Freedom International School, Bangalore
Class : Class 7

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Brinda Modi from Adhira International School, Pune
Subject :IMO    Class : Class 1

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Vishal B from National Public School, Chennai
Subject :IMO    Class : Class 7

The following number line shows the temperature in degree Celsius (°C) at different places on a particular day. Find P, Q and R.

(i) The temperature difference between the hottest and the coldest places is __P__.
(ii) The temperature difference between Yamuna Nagar and Pathankot is __Q__.
(iii) The temperature difference between Pathankot and Kashmir is ___R__.

P Q R
A 31°C 8°C 5°C
B 30°C 18°C 6°C
C 31°C 18°C 6°C
D 30°C 7°C 8°C


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Aarush Pal from NPS International School, Singapore
Subject :IMO    Class : Class 4

Ans 1:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option C.


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Aaditya Gajra from Birla Open Minds International School, Hyderabad
Subject :IMO    Class : Class 8

Ans 1:

The man from Kps, Raipur
Class : Class 8

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Aditya singh from AKSHARA INTERNATIONAL SCHOOL, pune
Subject :IMO    Class : Class 8

Ans 1:

madhu from sanskriti, new delhi
Class : Class 8

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KYRAA SINGH from DPS NOIDA, GHAZIABAD
Subject :IMO    Class : Class 2

Ans 1:

Vyan Badoni from jns , Mumbai
Class : Class 2
C

Ans 2:

TANYA BANSAL from SAUPINS SCHOOL , MOHALI
Class : Class 5
CIRCLE

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Agastya from NCS Arakkonam, Chennai
Subject :IMO    Class : Class 7

Ans 1:

Rithvik from BVM Global, Chennai
Class : Class 8
i mean 23typo

Ans 2:

pritish mukherjee from chettinad vidyasharam, Chennai
Class : Class 7
This is wrong

Ans 3:

Shashwat Sharma from Him Academy Public School, Vikasnagar, Hamirpur, Hamirpur
Class : Class 7
(A) is the correct option.Here 23 is the most frequent observation (Frequency=3), so it is the mode.Arranging the data in an ascending order, 20,21,21,22,23,23,23,24,25; so here 23 is the middle-most observation,thus it is the median of the following data.

Ans 4:

Rithvik from BVM Global, Chennai
Class : Class 8
we have to arrange in array form for median

Ans 5:

Rithvik from BVM Global, Chennai
Class : Class 8
5th term is 21 right?

Ans 6:

Agastya from NCS Arakkonam, Chennai
Class : Class 8

Ans 7:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8
It is wrong actually

Ans 8:

Rithvik from BVM Global, Chennai
Class : Class 8
typo error i mean

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Ashmita Bose from Nalanda Public School, Kandivali Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Ashmita Bose from Nalanda Public School, Kandivali Mumbai
Class : Class 8

Ans 2:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 8

Ans 3:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 8

Ans 4:

Anwesha Kale from wisdom world school, pune
Class : Class 5

Ans 5:

Anwesha Kale from wisdom world school, pune
Class : Class 5

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