International Maths Olympiad Forum By SOF Olympiad Trainer

Mayank Mili from Delhi Public School, Golaghat

Subject :IMO Class : Class 6

If x : y = 4 : 5, then (4x + 5y) : (5x - 2y) is equal ([a-z]+ )

A 41 : 10
B 4 : 5
C 16 : 25
D 3 : 10

([a-z] ) not needed

Ans 1:

Niraj from Maharshi Vidya Mandir, Hyderabad, Hyderabad

Class : Class 6

Ans 2:

Aayush Tripathy from SAI International School, Bhubaneswar

Class : Class 9

Can some one please explan this one for me

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD

Subject :IMO Class : Class 8

In the five digit number 1b6a3, a is the greatest single digit perfect cube and twice of it exceeds b by 7. Then the sum of the number and its cube root is ____.

A 18700
B 11862
C 19710
D 25320

Ans 1:

Navneet Narayan from Deens Academy, Bangalore

Class : Class 8

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD

Subject :IMO Class : Class 8

Three numbers are in the ratio 2 : 3 : 5 to one another. The sum of their cubes is 54880. The numbers are______.

A 14, 21, 35
B 12, 15, 17
C 14, 18, 21
D 21, 28, 32

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD

Subject :IMO Class : Class 8

Study the statements and choose the correct option.
Statement-1 :The square root of certain decimals are obtained by first changing the decimals into fractions with perfect squares as their numerators and denominators.
Statement-2 :(26.1)² lies between 400 and 900.

A Both Statement-1 and Statement-2 are true.
B Statement-1 is true but Statement-2 is false.
C Statement-1 is false but Statement-2 is true.
D Both Statement-1 and Statement-2 are false.

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Ans 1:

Archit Borkar from SSVM World School, Coimbatore

Class : Class 9

answer will be D

Ans 2:

Avyaan Das from DPS Newtown, Kolkata

Class : Class 8

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Harish S from Presidency, Bangalore

Subject :IMO Class : Class 4

Find the value of (P × Q) - R.

A24
B28
C20
D30

we opted d as correct ans

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Ans 1:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD

Class : Class 7

Why D is the correct answer @Fiona Saha?

Ans 2:

Nivritti Agarwal from National public school, Bangalore

Class : Class 7

Check for your self twisha

Ans 3:

FIONA SAHA from The Heritage School Rampurhat west Bengal India, Rampurhat Birbhum

Class : Class 4

D.30

Ans 4:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded

Class : Class 7

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ICHALKARANJI from dkte, ichalkranji

Subject :IMO Class : Class 7

Find the missing number to complete the given number series.
1, 4, 2, 8, 6, 24, 22, 88, __?__.

A86
B352
C90
D154

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Ans 1:

Aruj jain from DAV PUBLIC SCHOOL, SRI MUKTSAR SAHIB

Class : Class 7

answer is a

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Adil Mohammed from Chrysalis High, Bangalore

Subject :IMO Class : Class 2

GHGYLLFYIFFFFFFFFFFFFFFFFFFFFFFFFUT6TUIRLOOF653

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Aarav Hitesh Parikh from Gopal Sharma International School, Mumbai

Subject :IMO Class : Class 4

A year has 365 days and a day has 24 hours. How many hours are there in a half year?

A4368
B4380
C7679
D8760

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Ans 1:

RAGHAV VARSHNEY from CITY MONTESSORI SCHOOL GOMTINAGAR LUCKNOW, Lucknow

Class : Class 7

4380

Ans 2:

Manasvi pandey from Dps haldwani, Haldwani

Class : Class 3

438O

Ans 3:

FIONA SAHA from The Heritage School Rampurhat west Bengal India, Rampurhat Birbhum

Class : Class 4

4380

Ans 4:

FIONA SAHA from The Heritage School Rampurhat west Bengal India, Rampurhat Birbhum

Class : Class 4

A. 4368

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Sahanaa from Sancta Maria International School, Hyderabad

Subject :IMO Class : Class 3

The given graph shows the number of people who attended a book fair. Study it carefully and answer the following questions.

How many less tertiary students attended book fair than primary school students?

A 150
B 300
C 100
D 250

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Ans 1:

Avani Vijay Benade from Tatva Global school , Hyderabad

Class : Class 4

100

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Varshaa S S from Shishya BEML Public School, Bangalore

Subject :IMO Class : Class 7

In two triangles PQR and LMN, PQ = QR, ∠ P = ∠ M and QR = LN, then which of the following statements is CORRECT?

A Triangles are congruent only
B Triangles are isosceles only
C Triangles are both congruent and isosceles
D None of these

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Ans 1:

SOUVAGYA SAHA from De Nobili School, DHANBAD

Class : Class 10

Ans 2:

Arpita Panigrahi from Sri Aurobindo Public School , Baddi

Class : Class 6

Ans 3:

Shravan from Harvest International School , Bangalore

Class : Class 9

What is it if it's not the first three options?

Ans 4:

swayam aditya from LR DAV public school, Cuttack

Class : Class 8

Ans 5:

Aarnavi Mann from Scholars rosary Sr. Sec. School, Rohtak

Class : Class 8

I

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