International Maths Olympiad Forum By SOF Olympiad Trainer

Hansikaa from Jaigopal Garodia Rashtrothana Vidya Kendra, Bangalore

Subject :IMO Class : Class 4

In which of the following figures, Figure (X) is exactly embedded as one of its part?

A

B

C

D

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Ishaan Maurya from DPS, Navi Mumbai

Subject :IMO Class : Class 7

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

ATriangles are congruent only
BTriangles are isosceles only
CTriangles are both congruent and isosceles
DNone of these

why not C

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Arya Kiran from PSBB KK NAGAR, Chennai

Subject :IMO Class : Class 6

Select the INCORRECT match.

A Rectangular prism
B Octahedron
C Triangular prism
D Tetrahedron

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Ans 1:

Kartik Singh from Sunbeam School Bhagwanpur, Varanasi

Class : Class 7

HOW CAN IT BE SEE , IT IS CLEARLY VISIBLE THAT IT IS A CUBOID

Ans 2:

Kovidh Reddy Bathini from Arbor International School, Hyderabad

Class : Class 6

Ans 3:

Kovidh Reddy Bathini from Arbor International School, Hyderabad

Class : Class 6

yes, i agree, it is B

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Kashish Kathuria from Delhi Public School, Bangalore

Subject :IMO Class : Class 8

Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 14700 m² and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.

A196 m
B98 m
C125 m
D149 m

Wrong explanation

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Ans 1:

Kashish Kathuria from Delhi Public School, Bangalore

Class : Class 9

Ans 2:

Hprakash09 from Billabong high Bhopal, Bhopal

Class : Class 7

But it's correct...

Ans 3:

Kashish Kathuria from Delhi Public School, Bangalore

Class : Class 9

Wrong explanationDon't even know maths

Ans 4:

Harsh Shukla from DPS Bangalore East, Bengaluru

Class : Class 9

It is correct. Let side by road be xEquation is (3x/2)*100=14700. x=98 side by river is 2x =98*2=196

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Anirudh Anand from DPS, Bangalore

Subject :IMO Class : Class 7

The given figure shows three identical squares. Find x.

A 30°
B 27°
C 36°
D 16°

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Ans 1:

saikrishna from bharatiya vidhya bhavans public school, Hyderabad

Class : Class 9

Can somebody explain how to solve this? Thanks in advance

Ans 2:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad

Class : Class 9

basic equation: x 36 27 (90 - x) - x = 180therefore: 153 - x = 180 x = 180 - 153 = 27

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Amritansh Anand from dpsjamnagar, jamnagar

Subject :IMO Class : Class 7

If then the value of

A2
B4
C
DNone of these

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Ans 1:

Bhawya Manchanda from DPS, Gurugram

Class : Class 7

Ans 2:

Aarav Srivastav from DWPS , Noida Extension

Class : Class 7

Ans 3:

Pranav Naveen Asrani from NPS International School, Singapore

Class : Class 9

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Arhat Tiwary from Silver Oaks International School, Whitefield, Bangalore

Subject :IMO Class : Class 1

Which of the following months comes just before the ninth month of a year?

AAugust
BSeptember
COctober
DJuly

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Ram from Basilwoods International School, Banglore

Subject :IMO Class : Class 3

If 'Ball' is called 'Cap', 'Cap' is called 'Pencil', 'Pencil' is called 'Eraser', 'Eraser' is called 'Bag', then Rohan will wear ______ in sunlight.

A Cap
B Eraser
C Pencil
D Bag

The correct answer is C.

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Ans 1:

atharva mahadeo ghuge from Podar international school, Aurangabad

Class : Class 7

Ok

Ans 2:

Bhargavi Vaibhav Zade from R. S. MUNDLE ENGLISH SCHOOL, NAGPUR

Class : Class 7

C

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Yashasvi Sharan from St. Lawrence International School, KALYAN

Subject :IMO Class : Class 6

Which of the following quadrilaterals does not have any difference in measurement between its length and breadth?

A Square
B Rectangle
C Trapezium
D Both (A) and (B)

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Ans 1:

Yashasvi Sharan from St. Lawrence International School, KALYAN

Class : Class 6

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Sravanthi from Clarence Public School, BANGALORE

Subject :IMO Class : Class 4

Latika is practicing for a race. She uses the given map to find the possible routes. The route must start from her school and end at home. She wants to run the shortest route. Which of the following is the best route?

A School - Park - Bank - Home
B School - Lake - Home
C School - Library - Lake - Home
D School - Library - Museum - Home

Is it not B ?

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Ans 1:

Sravanthi from Clarence Public School, BANGALORE

Class : Class 4

Is it not B ?

Ans 2:

Avaneesh Barithaya from New Horizon Scholars School Vasant Lawns, Thane

Class : Class 5

Ans 3:

Sravanthi from Clarence Public School, BANGALORE

Class : Class 4

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