International Maths Olympiad Forum By SOF Olympiad Trainer

Madhav Chhibber from The Shriram Millenium School, Noida

Subject :IMO Class : Class 6

Select the incorrect option.

ASolid - Net
BSolid - Net
CSolid - Net
DSolid - Net

The answer is D.

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Adwik nayak from Vbps, Noida

Subject :IMO Class : Class 4

The difference of two numbers is 7889. If the greater number is 52438, then find their sum.

A45469
B96987
C44549
D99689

Ans 1:

Sojanya pradhan from Jindal school soyabali , Barbil

Class : Class 4

B)96987

Ans 2:

Sojanya pradhan from Jindal school soyabali , Barbil

Class : Class 4

B)96987

Ans 3:

Adarsh Kishor from Manav Rachna International Sector46, Gurgaon

Class : Class 4

B)96987

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Chhavi from Green Fields Public School, Delhi

Subject :IMO Class : Class 7

Insert the missing character, if the same rule is followed in (i), (ii) and (iii).

A 10
B 15
C 20
D 25

15

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UMA NAIR from hac trivandrum, Trivandrum

Subject :IMO Class : Class 6

Read the following statements carefully and select the correct option.
Statement-I : A number for which sum of all its factors is equal to the twice of the number is called a perfect number.
Statement-II : If a number is divisible by another number, then it is divisible by each of the factors of that number.

ABoth Statement-I and Statement-II are true.
BStatement-I is true but Statement-II is false.
CStatement-I is false but Statement-II is true.
DBoth Statement-I and Statement-II are false.

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Ans 1:

Rithvik Chandra from Greenwood High School, Bangalore

Class : Class 6

Ans 2:

DEEPAM from DELHI PUBLIC SCHOOL DAMANJODI , DAMANJODI

Class : Class 6

Statement 1 should include the number itself instead of excluding the number to become a true statement

Ans 3:

Ayansh Modi from Air Force Bal Bharti, Delhi

Class : Class 8

Ans 4:

Vivaan sharma from Salwan public school , Mayur vihar delhi

Class : Class 6

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Ayansh Verma from National Public School ITPL, Bangalore

Subject :IMO Class : Class 7

By how much does 236 + (-152) - (- 136) exceed 139 + (- 124) - 45?

A220
B190
C250
D- 190

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Ans 1:

Adithi from Nps, Chennai

Class : Class 8

Ans 2:

EKLAVYA GONDULE from DPS BHILAI, Bhilai

Class : Class 7

Ans 3:

Adithi from Nps, Chennai

Class : Class 8

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SAPTARSHI SAHA from Hemsheela Model School, Durgapur

Subject :IMO Class : Class 8

If 6 monkeys take 6 minutes to eat 6 bananas, then how many minutes would 4 monkeys take to eat 4 bananas?

A4
B24
C8
DNone of these

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Chanchal Sharma from Universal high School, Thane West

Subject :IMO Class : Class 3

How many more parts must be shaded so that ³⁄₄ of the circle is shaded?

A4
B5
C2
D3

5, Is this correct?

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Ans 1:

Charvik Reddy from NPS , chennai

Class : Class 3

Veery bad

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Arkajyoti Das from techno, Cooch Behar

Subject :IMO Class : Class 8

With a given rate of simple interest, the ratio of principal and amount for a certain period of time is 4 : 5. After 3 years, with the same rate of interest, the ratio of the principal and amount becomes 5 : 7. The rate of interest per annum is _______.

A4%
B5%
C6%
D7%

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Ans 1:

Kiyan from ,

Class : Class 8

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Arkajyoti Das from techno, Cooch Behar

Subject :IMO Class : Class 8

Evaluate :

A1
B³⁄₄
C1¹⁄₂₄
D²⁴⁄₂₅

hi

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Anahita Saxena from Ryan International School Pune, Pune

Subject :IMO Class : Class 6

The given line graph shows the quantity of rice and wheat (in hundred tones) purchased by a firm during the year 2010-2015.

How much less quantity of wheat is purchased during 2011-2013 than the quantity of rice purchased during 2012-2014?

A30 hundred tones
B20 hundred tones
C80 hundred tones
D40 hundred tones

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