International Maths Olympiad Forum By SOF Olympiad Trainer

RAGHAV VARSHNEY from CITY MONTESSORI SCHOOL GOMTINAGAR LUCKNOW, Lucknow

Subject :IMO Class : Class 7

Virender covers 0.6 m in each step while running. In a 100 m race after covering 68.8 m, he fell down. How many steps remained for Virender to finished the race?

A50
B51
C52
D53

Ans 1:

Arkodeep Kundu from Delhi Public School Newtown, Kolkata

Class : Class 7

C

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Aditri from WGS, Bangalore

Subject :IMO Class : Class 3

The number greater than the number shown on the abacus is ____.

A 538
B 835
C 385
D 358

a

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Pavani Kumari from Podar International School, Amravati

Subject :IMO Class : Class 9

= ______.

A1
B2
C
D3

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Shashwath Srinath from St Francis School, ICSE, Koramangala, Bangalore

Subject :IMO Class : Class 6

The HCF and LCM of two numbers is 36 and 720 respectively. If one of the numbers is 180, the other number is _____.

A 144
B 120
C 80
D 64

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Bhakti from GIIS, banglore

Subject :IMO Class : Class 5

Read the statements carefully and select the correct option.
Statement-1 : Highest common factor of 42 and 162 is 4.
Statement-2 : 2 is the factor of every odd number.

ABoth Statement-1 and Statement-2 are true.
BBoth Statement-1 and Statement-2 are false.
CStatement-1 is true but Statement-2 is false.
DStatement-1 is false but Statement-2 is true.

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Aritra Mondal from JNV Murshidabad , Berhampur

Subject :IMO Class : Class 10

Find the number of squares in the given figure.

A28
B40
C39
DNone of these

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Ans 1:

Vicram from kns, Patna

Class : Class 10

39

Ans 2:

ayushisingh41009 from Chrysalis high, Bangalore

Class : Class 10

40

Ans 3:

Vanij from SNBP, Pune

Class : Class 3

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Krishi rathi from Bhavans ashti, Nagpur

Subject :IMO Class : Class 10

A game consists of tossing a one rupee coin three times and noting its outcome each time. Hanif wins if all the tosses give the same result, i.e., three heads or three tails and loses otherwise. Calculate the probability that Hanif will lose the game.

A¹⁄₄
B¹⁄₂
C³⁄₄
D⁵⁄₈

gyhj

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Ans 1:

Vicram from kns, Patna

Class : Class 10

1/4

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Ishaan ranjan Maurya from Shree ram global school, Noida

Subject :IMO Class : Class 7

In my accounts book, I write positive numbers for profits and negative numbers for losses that I make in my business. Following are the entries in the book for the last seven days: 21, –19, 11, –20, 17, 25 and –13. How much profit did I make in the last week?

A 32
B 22
C 34
D 24