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Ira Agrawal from Sancta Maria International School, Hyderabad
Subject :IMO    Class : Class 4

The given figure is obtained by placing a rectangle on top of another identical rectangle. The length of a rectangle is 5 cm and its breadth is 2 cm.
Find the perimeter of the figure.



A 20 cm
B 15 cm
C 14 cm
D 18 cm


I’m confused

Ans 1:

Aarush Dey from M P Birla Foundation Higher Secondary School, Kolkata
Class : Class 8
the answer is not correct. Please respond.

Ans 2:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Answer is correct but how? For this Question check the solution from SOF website or from your IMO Workbook. Actually I am not SOF and I myself did not understand how A

Ans 3:

Vivaan from Rustomjee Cambridge International School and Junior College, Mumbai
Class : Class 6

Ans 4:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6
Option A Thank you from Aarna Goel

Ans 5:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8
The answer does not have the breadth added to it.

Ans 6:

Malavya Chaturvedi from Study Hall, Lucknow
Class : Class 8
Answer is not clear

Ans 7:

Yatisha Goyal from Vibgyor High international School , Mumbai
Class : Class 5
check the solution

Ans 8:

IAMLOST from ABC, Pune
Class : Class 8
explain clearly

Ans 9:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Actually I checked in New Guided Mathematics book 5 and I got formula for answer is 2*(L*B). So you can refer to this book. KEY - *= multiplication sign; L= length; B=breadth

Ans 10:

Yatisha Goyal from Vibgyor High international School , Mumbai
Class : Class 5
its option A

Ans 11:

Brinda Modi from Orchids International School, Pune
Class : Class 6

Ans 12:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
(continued) How a

Ans 13:

Shreeraj from ISWK, Muscat, Muscat
Class : Class 4
Option A

Ans 14:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
option A is correct and it is clear from the SOF explanation

Ans 15:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The answer is A as the breadth of the rectangle is 2 cm. The length of the rectangle is 5 so 2 minus 5 is 3 and if we divide it into two parts it is 2 and 1. So we need to plus 2,2,2,1,2,1,1,2,1,2,2,2 for the answer. The answer after adding these numbers is 20

Ans 16:

Arjun amit Naikare from Vikhe Patil Memorial School, Pune
Class : Class 4
please explain clearly . its not right

Ans 17:

Soham Das from St. Joseph's School, Jiaganj
Class : Class 7
where is the breath

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