International Maths Olympiad Forum By SOF Olympiad Trainer

Mrunmayi Nagane from Elpro International School Chinchwad, Pune

Subject :IMO Class : Class 6

Which of the following expressions is CORRECT?

A 0.6 < 0.06
B
C
D

Ans 1:

Diti from Shreyas foundation, ahmedabad

Class : Class 9

c. 455> 11 ___ 25

Ans 2:

Sidharth R Oleti from National Public School HSR, Bangalore

Class : Class 7

Ans 3:

Mrunmayi Nagane from Elpro International School Chinchwad, Pune

Class : Class 8

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Shiven from Udgam, Ahmedabad

Subject :IMO Class : Class 8

One of the factors of (p + q)² – (a – b)² + p + q – a + b is

A (p + q + a + b)
B (p + q – a + b)
C (p – q + a – b)
D (p – q + a + b)

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Sahasra Shanker from KV IIT, Chennai

Subject :IMO Class : Class 5

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Aaditri Samanta from Vidyasagar Shishu Niketan, Midnapore

Subject :IMO Class : Class 1

Which subtraction sentence gives same value as ?
A
B
C
D

Ans 1:

kolli sivaanshi from DPS, korba

Class : Class 1

Ans 2:

Prajisha Basu from SCTS, Chennai

Class : Class 4

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Aaditri Samanta from Vidyasagar Shishu Niketan, Midnapore

Subject :IMO Class : Class 1

Which of the following number lines shows “7-4 = 3”?
A
B
C
D

Ans 1:

Prajisha Basu from SCTS, Chennai

Class : Class 4

Ans 2:

SAI from KV-6, BHUBANESWAR

Class : Class 1

d

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Sahasra Shanker from KV IIT, Chennai

Subject :IMO Class : Class 5

Mr. Sahni is 1.68 m tall. His son is 5/8 of his height. How tall (in cm) is his son?

A100
B101
C103
D105

Correct answer is (D).SolutionHeight of Mr.Sahiniâs son = 5/8 x Height of Mr. Sahini = 5/8 x 1.68 = 1.05m = 105cm

Ans 1:

Hansikaa from Jaigopal Garodia Rashtrothana Vidya Kendra, Bangalore

Class : Class 8

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Sahasra Shanker from KV IIT, Chennai

Subject :IMO Class : Class 5

Arrange the given words as they arranged in Dictionary.

A2, 4, 3, 1
B2, 4, 1, 3
C4, 2, 3, 1
D4, 2, 1 3

Correct answer is (B).SolutionIn dictionary the word are arranged in alphabetical order as,Icecream - 2Iceland - 4India - 1Island - 3

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SAMRA BISWAS from KENDRIYA VIDYALAYA BARRACKPORE AIRFORCE, BARRACKPORE

Subject :IMO Class : Class 7

What is the least number of squares that must be added so that the line AB becomes a line of symmetry?

A 4
B 5
C 6
D 7

Ans 1:

Arya from Global Indian International School, AHMEDABAD

Class : Class 7

Ans 2:

Arya from Global Indian International School, AHMEDABAD

Class : Class 7

Ans 3:

Aanvi Singhal from OWIS INTERNATIONAL SCHOOL , Sarjapur Road

Class : Class 7

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Purbayon Sarkar from South Point High School, Kolkata

Subject :IMO Class : Class 7

Ans 1:

Prabhat from phoenix greens, hyderabad

Class : Class 7

Ans 2:

aarav arora from NPs sarjapur, Bengaluru

Class : Class 7

wrong answer

Ans 3:

Ailish Garg from Oberoi International School, JVLR, Mumbai

Class : Class 9

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Adhrit from CHSV, Chennai

Subject :IMO Class : Class 7

Mr Gupta asked two of his students to solve the expression and write the answer on blackboard. Aryan wrote the answer as 3 a-⁴b⁵ whereas Ayan wrote the answer as . Who wrote the correct answer?

A Aryan
B Ayan
C Both of them
D None of these

That looks like 3a^4-b^5, not 3a^-4*b^5

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Ans 1:

Saanvi Prasad from DPS Noida, Noida

Class : Class 5

option c

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