International Maths Olympiad Forum By SOF Olympiad Trainer - Page 269

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Sourasis kundu from St.agnes higher secondary School, Kharagpur

Subject :IMO Class : Class 5

Arrange the following shapes with the fewest lines of symmetry to the most lines of symmetry.

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VISHWA from DAV BOYS SENIOR SECONDARY SCHOOL, CHENNAI

Subject :IMO Class : Class 6

Kartik is 40 m south-west of Abhay. If Mohit is 40 m south-east of Abhay, then Mohit is in which direction of Kartik?

Sourodeep Pal from Delhi Public School Siliguri, Siliguri

VISHWA from DAV BOYS SENIOR SECONDARY SCHOOL, CHENNAI

Subject :IMO Class : Class 6

The adjoining figure (Not drawn to scale) is made up of a square WXYZ and a rectangle ABCD. The area of the square is 64 cm². The length of the rectangle is 12 cm and its breadth is 9 cm. What is the total area of the unshaded parts?

Please explain answer

Avijit Jena from D.A.V public school Rajabagicha , Cuttack

Answer is 142

Aarav from AECS-4, Mumbai

Subject :IMO Class : Class 8

The area of the given figure is _____.

Won't the answer for this be A? According to SOF the answer is C

Gokul Warrier M from PSBB LLA, BANGALORE

Subject :IMO Class : Class 6

In a certain code language, FRIEND is written as HUMJTK. How will CANDLE be written in that code language?

AEDRIRL
BDCQHQK
CESJFME
DFYOBOC

Aarav from AECS-4, Mumbai

Subject :IMO Class : Class 8

A square transparent sheet with a pattern is given. Find out from the options as to how the pattern would appear when the transparent sheet is folded along the diagonal.

Won't the answer for this question be B? In the SOF answer key it is written as A

Ashwath from Vikas the concept school, HYDERABAD

Subject :IMO Class : Class 5

A machine makes 28 paper cups in 2 minutes. At this rate, how many paper cups will it make in 9 minutes?

A126
B216
C226
D612

ammar from Sanskriti school, dondaicha

Subject :IMO Class : Class 8

The post office is in the East of the school while my house is in the South of the school. The market is in the North of the post office. If the distance of the market from the post office is equal to the distance of my house from the school, in which direction is the market with respect to my house?
WHAT IS SOLUTION