International Maths Olympiad Forum By SOF Olympiad Trainer

The Address from Somaiya, Mumbai

Subject :IMO Class : Class 8

If x² + y² = 29 and xy = 2, find the value of
(i) x + y (ii) x – y (iii) x⁴ + y⁴

Ans 1:

Ashvik Banerjee from Mount Litera Zee School , Vasco

Class : Class 9

It's option C).Hope this helps

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Akhya from Bishop Scott senior secondary girls school, Patna

Subject :IMO Class : Class 1

If each stands for 1 unit, the weight of clown is _____ units.

A15
B13
C12
D11

13

Ans 1:

Shreshtha Ranjit Pawar from CMS English medium higher secondary school , Pune

Class : Class 1

B is correct because 1box =one unint so 15 box minus 2 =13

Ans 2:

Riyansh anchaliya from Madhusudhan global school, Mumbhi

Class : Class 1

Kesa

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Saksham Chanani from Sri Sri Academy, Kolkata

Subject :IMO Class : Class 5

Select a figure from the options which will complete the pattern in Fig. (X).

A
B
C
D

Ans 1:

Aharshi Kauri from Bishnupur High School, Bishnupur Bankura

Class : Class 7

A

Ans 2:

Saksham Chanani from Sri Sri Academy, Kolkata

Class : Class 9

Ans 3:

Vijay Pawar from Gsb Mandal's Sitaram A Pai Memorial , Dombivli

Class : Class 5

A

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kalpana from PSBB, Chennai

Subject :IMO Class : Class 8

Factorising (x – y)² + 4xy – z², we get

A (x + y + z)(x + y – z)
B (x – y – z)(x + y – z)
C (x – y + z)(x + y – z)
D None of these

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ved from tomoae, amravati

Subject :IMO Class : Class 3

The missing number in the box is _______.
729 ÷ 9 = ▭ ÷ 6

A486
B81
C9
D723

Ans 1:

Pralipta Archita Barik from St.Germain Academy, Bangalore

Class : Class 3

486

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Sparsh Nagar from Ryan international school, Mayur vihar Delhi

Subject :IMO Class : Class 7

The heights of 10 students were measured in cm and the results are as follows : 147, 139, 135, 136, 149, 166, 152, 163, 155, 144.

(i) What is the range of the data?
(ii) What is the mean height of the students?
(iii) How many students are there whose height is more than the mean height?

	(i)	(ii)	(iii)
A	30	100.5	3
B	31	148.6	5
C	32	149	5
D	28	148.6	4

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Ans 1:

Naman from Uis, Bangalore

Class : Class 9

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preet premi from Chameli Devi Public School, Indore

Subject :IMO Class : Class 7

Study the following arrangement of digits, letters and symbols and answer the question given below :
F I 4 K B 5 9 # D R 2 # 7 M G % H V T 3 8 * 1 J A
How many such symbols are there in the above arrangement each of which is both immediately preceded and immediately followed by a digit?

ANone
BOne
CTwo
DThree

how the answer option c

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Ayush kumar from Sunbeam school Indiranagar, Varanasi

Subject :IMO Class : Class 5

How many of the following letters do not have any line of symmetry?

ANone
BTwo
CThree
DFour

Wrong answer is given but right solution

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Ans 1:

Vivaan gulati from NPS international , Singapore

Class : Class 5

Wth???? ANswer is cSOF explain this

Ans 2:

stavya from dps noida, noida

Class : Class 8

Ans 3:

stavya from dps noida, noida

Class : Class 8

wtf?explain this sof .solution is correct answer is wrong?

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Sejal Mittal from dlf, ghaziabad

Subject :IMO Class : Class 6

1054 is divided into three parts such that 2 times the first part, 3 times the second part and 5 times the third part are equal. Find each of the three parts.

A450, 360, 244
B350, 456, 248
C510, 340, 204
D325, 470, 259

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Ans 1:

Vineet Agarwal from DPS, Gurgaon

Class : Class 5

Ans 2:

Shreeya Mangla from ASN Senior Secondary School, New Delhi

Class : Class 9

I don't really think so...

Ans 3:

Chinmay Jain from Olympus High Senior Secondary School, Vidisha

Class : Class 8

Although i got the solution provided here , i still feel that the problem statement is incorrect . Any math expert out there??? Are you feeling the same as i do ??

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Saishruti Nair from Shree Swaminarayan Gurukul, Vapi

Subject :IMO Class : Class 7

The net shown here forms a _____.

A Prism
B Cube
C Sphere
D Pyramid

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Ans 1:

Navonil Das from KALIGRAM HIGH SCHOOL, Malda

Class : Class 8

pyramid

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