International Maths Olympiad Forum By SOF Olympiad Trainer

Sonali Dawar from Kr mangalam world school, Delhi

Subject :IMO Class : Class 3

The bar graph shows the types of sports people like.

The total number of people who like swimming and _______ is 42.

ABasketball
BJogging
CCycling
DBadminton

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Sonali Dawar from Kr mangalam world school, Delhi

Subject :IMO Class : Class 3

If = 1 whole, then which of the following shows the INCORRECT value of shaded fraction?

A
B
C
D

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Sonali Dawar from Kr mangalam world school, Delhi

Subject :IMO Class : Class 3

What is the missing number in the box?

A720
B715
C515
D400

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Aliza Jha from Sherwood High, Bangalore

Subject :IMO Class : Class 2

Choose the figure which will complete the following pattern.

A
B
C
D

Question options given are wrong

Ans 1:

Ketaki Subhash Ghatol from CSA Satara, Satara

Class : Class 8

A

Ans 2:

Manit Aggarwal from St. Patricks Academy Bengaluru, Bangalore

Class : Class 8

A is the answer Aliza Jha

Ans 3:

Dheemant Kewale from Bombay Scottish Mahim , Mumbai

Class : Class 4

A

Ans 4:

Ayansh Agrawal from Rober willis Elementary, Bradenton

Class : Class 4

c

Ans 5:

Shahul Hameed from Sana model school , Chennai

Class : Class 3

A

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AHANA SANGUI from NCS GOA, VASCO GOA

Subject :IMO Class : Class 6

Repetition of a symbol in a Roman numeral means _______ .

ADivision
BMultiplication
CAddition
DSubtraction

Repetition of a symbol in a Roman numeral means that the number has been repeated and thus the symbol represents the number multiplied by the number of times it has been repeated. Eg. XX=10Ã2=20 In this case X value represents 10. In Roman numerals repetition of a symbol means that certain word has been repeated.Then how the answer is Addition?pls justify.

Ans 1:

Hprakash09 from Billabong high Bhopal, Bhopal

Class : Class 7

Eg:XX, 10+10=20

Ans 2:

RUCHI from dps, Faridabad

Class : Class 7

Yes, the answer should be addition as E.g. X=10 And if we repeat this X two times then it will be10+10 which is 20

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Amee Bhatia from Delhi Public School, Gurugram sec45

Subject :IMO Class : Class 4

Charu had 36 cookies. She gave of the cookies to her brother. How many cookies had she left with her?

A32
B28
C30
D16

Question is normal but it is twisted nicely. Nice question.

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shlok from Euro school Undri, Pune

Subject :IMO Class : Class 1

Which of the following number sentences represents the shaded parts in the given figure?

A
B
C
D

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shlok from Euro school Undri, Pune

Subject :IMO Class : Class 1

Select the correct mirror image of the given word.

A
B
C
D

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SRINIKA PARIAL from MBSV, KOLKATA

Subject :IMO Class : Class 1

How many more squares of side 1 cm must be added to the given figure to form a square of side 5 cm?

A 9
B 11
C 20
D 25

figures in the question shouldn't be so unclear.

Ans 1:

Rohan Warrier from D.A.V Public School, Thane

Class : Class 4

Ans 2:

savyasachi from montfort , roorkee

Class : Class 9

it should be 14 because it only asked how many are needed to make 5cm on each side(1cm =1 side of the block, so five blocks on each side) but it has filled the centre blocks (the blocks inside the edges). wrong answer.