International Maths Olympiad Forum By SOF Olympiad Trainer

A from DPS, V

Subject :IMO Class : Class 6

The number of obtuse angles in the given figure is ________.

A2
B5
C4
D6

Ans 1:

Siddhanth Subramanian from Global Indian International School , Singapore

Class : Class 6

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Pagadala Sri Pranya from Bharatiya Vidya Bhavans Public School Vidyashram, HYDERABAD

Subject :IMO Class : Class 5

In the given figure, DE = HI = AL = 2 cm and LK = IJ = HG = EF = 5 cm. Find the perimeter of the given figure (in cm).

A 52
B 34
C 54
D 70

Ans 1:

Pagadala Sri Pranya from Bharatiya Vidya Bhavans Public School Vidyashram, HYDERABAD

Class : Class 5

AL=2,KJ=2,IH=2,GF=2,ED=2.SO,2 2 2 2 2=10.BC=10so10 10=20breadth=7x2=14so20 14=34how can option C be correct

Ans 2:

S.tharuni from Sanskriti, Hyderabad

Class : Class 4

the correct answer is (c)

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Ashmi Narkar from Shishukunj International School , Indore

Subject :IMO Class : Class 3

Find the odd one out.

A
B
C
D

SolutionExcept (B) all the three are spherical balls.

Ans 1:

Ashmi Narkar from Shishukunj International School , Indore

Class : Class 3

Ans 2:

Ashmi Narkar from Shishukunj International School , Indore

Class : Class 3

SolutionExcept (B) all the three are spherical balls.

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Ashmi Narkar from Shishukunj International School , Indore

Subject :IMO Class : Class 3

Four friends were standing in a line. Lalit stood the first. Rohan is not second and Ishaan is not third. Piyush stood immidiatly before Rohan but immidiatly after Lalit. Who stood at the fourth?

ALalit
BIshaan
CPiyush
DRohan

SolutionLalit(First), Piyush, Rohan, Ishaan, Ishaan stood fourth.

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Ashmi Narkar from Shishukunj International School , Indore

Subject :IMO Class : Class 3

If 'Madras' is called 'Delhi', 'Delhi' is called 'Bihar', 'Bihar' is called 'Mumbai', then in which city Qutub Minar situated?

AMadras
BBihar
CMumbai
DDelhi

SolutionQutub Minar is in DelhiDelhi is called Bihar

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SOUVAGYA SAHA from De Nobili School, DHANBAD

Subject :IMO Class : Class 4

Which of the following statement is CORRECT?

AThere are seven basic symbols of the Roman numerals.
BA symbol of greater value is written to the right of a symbol of smaller value, the smaller value is added to the larger value.
CA symbol of smaller value is written to the right of a symbol of greater value, the smaller value is subtracted from the larger value.
DV is never written on the right of X.

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Ans 1:

Medha Bijjaram from Prime Academy, Mumbai

Class : Class 5

A

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ranjani from sancta maria, Hyderabad

Subject :IMO Class : Class 8

In the figure below, ABCD is a rhombus. Find x.

A39°
B40°
C49°
D29°

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Dev from Ambassador , Dubai

Subject :IMO Class : Class 1

The given figure is made up of identical squares. The total area of the figure is 576 cm². What is the perimeter of the figure?

A 320 cm
B 160 cm
C 240 cm
D 200 cm

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Ans 1:

Harsh Kumar from Maharishi Vidya Mandir, Guwahati

Class : Class 8

Number of squares in given figure = 9 Area of 9 squares = 576 cm 2 Area of 1 square = 576 Ã· 9 = 64 cm2 = 8 cm Ã 8 cm â´ Side of 1 square = 8 cm â´ Perimeter of the given figure = 20 Ã 8 cm = 160 cmSo the correct answer is B