International Maths Olympiad Forum By SOF Olympiad Trainer

Devansh from asn senior secondary school, delhi

Subject :IMO Class : Class 5

The perimeter of a rectangular picture is 160 cm. It is 30 cm wide. How long is it?

A
B 50 cm
C 100 cm
D 130 cm

Ans 1:

aarav goyal from delhi public school sector45, gurugram

Class : Class 7

Ans 2:

meenakshi from Ryan, Mumbai

Class : Class 9

Ans 3:

Myra Verma from Kothari International School, Delhi

Class : Class 5

Ans 4:

Anukarsh Dubey from Parvati Radhakrishna Formara school, Mathura

Class : Class 6

It doesn't even tell it is a total width or not

Post Your Answer

ABHIRAM from chirec, HYDERABAD

Subject :IMO Class : Class 8

The largest natural number by which the product of three consecutive even natural numbers is always divisible, is ____.

A 16
B 24
C 48
D 96

can someone pls tell me why its not 96

Ans 1:

Hprakash09 from Billabong high Bhopal, Bhopal

Class : Class 7

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Inika Majumdar from Chatrabhuj Narsee Monjee, Mumbai

Subject :IMO Class : Class 5

The value of 30.5 - 30.4 + 30.3 - 30.2 + 30.1 - 30 + 29.9 - 29.8 + 29.7 - 29.6
+ 29.5 - 29.4 + 29.3 - 29.2 + 29.1 - 29.0 = __________.

A 0.8
B 0.7
C 0.6
D 1.8

Ans 1:

Shakthi from Mahatma Montessori School, Madurai

Class : Class 5

A

Ans 2:

Pratyush Sablok from Delhi Public School Banglore East, Bangalore

Class : Class 6

Ans 3:

Pratyush Sablok from Delhi Public School Banglore East, Bangalore

Class : Class 6

Ans 4:

Pratyush Sablok from Delhi Public School Banglore East, Bangalore

Class : Class 6

Ans 5:

Pratyush Sablok from Delhi Public School Banglore East, Bangalore

Class : Class 6

questio

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Ojaswi from St. John's convent school Lansdowne, Lansdowne

Subject :IMO Class : Class 2

There are ______ equal groups of 6 cherries.

A 6
B 8
C 7
D 4

Ans 1:

Nihal Sri Sai Akveti from winmore, Bengaluru

Class : Class 8

4

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Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur

Subject :IMO Class : Class 4

The difference between eight thousands six hundreds five ones and six thousands seventy seven ones is _______.

A1880
B2880
C2528
D1528

The answers given are wrong. The correct answer is 2534.

Ans 1:

Shukthi N S from ST. Germain Academy , Bangalore

Class : Class 4

Ans 2:

Ivjot Singh Hanspal from Allen Career Institute, Surat

Class : Class 9

2528

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Videh Jain from Bluebells School International, Delhi

Subject :IMO Class : Class 6

To draw an angle of 150° using a pair of compass and ruler _______.

A Bisect angle between 120° and 180°
B Bisect angle between 60° and 120°
C Bisect angle between 0° and 160°
D None of these

hiii

Ans 1:

Ridhima Padgaonkar from NEW HORIZON SCHOLARS SCHOOL, Mumbai

Class : Class 6

a

Ans 2:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded

Class : Class 7

A

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Vaanya Sharma from St Margate, Rohini

Subject :IMO Class : Class 8

In the given figure, RSTV is a square inscribed in a circle with centre O and radius r. The total area of the shaded region is _____.

A r² (π – 2)
B 2r²(2 – π )
C π (r² – 2)
D 8r² – 8r

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rethish from Veltech, Avadi

Subject :IMO Class : Class 5

On some day, Factory A produces 412250 tea bags, factory B produces 334278 tea bags, Factory C produces 424358 tea bags and factory D produces 345896 tea bags. Which factory produces greatest number of tea bags on that day?

A Factory A
B Factory B
C Factory C
D Factory D

1.HIGHEST FACTORY IS C=424358 2.FACTORY A=412250 3.FACTORY D= 345896.4.FACTORY B=334278 ANS SO THE ANS IS C

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Ans 1:

from SCG English Academy, Coochbehar

Class : Class 5

CORRECT ANSWER C

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Aryan Keswani from Delhi Public School, Mathura Road, New Delhi

Subject :IMO Class : Class 7

Select the INCORRECT statement.

A In an equation, to maintain the balance or equality, any number added to one side must also be added to the other side.
B Anything subtracted from one side of an equation must also be subtracted from the other side.
C If one side of an equation is multiplied by a number, the other side must also be multiplied by the same number.
D If one side of an equation is divided by a number, the other side must also be multiplied by the same number.

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Ans 1:

shaurya aggarwal from scholars rosary senior secondary school, rohtak

Class : Class 9

D

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Souradeep Saha from DON BOSCO SCHOOL PARK CIRCUS, Kolkata

Subject :IMO Class : Class 7

Fill in the blanks.
(i)The number __P__ is neither positive nor negative rational number.
(ii)There are __Q__ number of rational numbers between two rational numbers.
(iii)A rational number is defined as a number which can be expressed in the form of where p and q are __R__ and q is not equal to __S__.

	P	Q	R	S
A	1	limited	whole numbers	0
B	0	limited	integers	1
C	1	unlimited	whole numbers	0
D	0	unlimited	integers	0

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