International Maths Olympiad Forum By SOF Olympiad Trainer

Anurag Dey from DPS Paradip, Paradip

Subject :IMO Class : Class 9

Vikas has ₹ (x³ + 2ax + b), with this money he can buy exactly (x – 1) jeans or (x + 1) shirts with no money left. How much money Vikas has, if x = 4?

A₹ 80
B₹ 120
C₹ 30
D₹ 60

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Soham chheda from Anchorwala, Navi Mumbai

Subject :IMO Class : Class 7

A figure has a rotational symmetry of order more than 1, the angle of rotation can be

A 21°
B 22°
C 23°
D 24°

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Soham chheda from Anchorwala, Navi Mumbai

Subject :IMO Class : Class 7

Match the following.

A (P) → (iv), (Q) → (i), (R) → (ii), (S) → (iii)
B (P) → (iv), (Q) → (iii), (R) → (ii), (S) → (i)
C (P) → (ii), (Q) → (iv), (R) → (iii), (S) → (i)
D (P) → (ii), (Q) → (i), (R) → (iv), (S) → (iii)

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Soham chheda from Anchorwala, Navi Mumbai

Subject :IMO Class : Class 7

Select the CORRECT match.

A Infinite order of rotational symmetry
B Only two lines of symmetry
C No symmetry
D Only one line of symmetry

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Soham chheda from Anchorwala, Navi Mumbai

Class : Class 7

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Dhriti Sahu from Kendriya Vidyalaya IIT Kanpur, Kanpur

Subject :IMO Class : Class 6

The preceding number of the number –6 is

A 6
B - 7
C - 5
D 5

Before can be understood as preceding in the number line. And not a simple left to right.

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Anurag SARKAR from Julien Day school GANGANAGAR MADYAMGRAM, madyamgram ganganagar

Subject :IMO Class : Class 2

What is the height of tree (in m) shown here?

A108 – 73
B64 – 32
C88 – 22
D99 – 65

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Anurag SARKAR from Julien Day school GANGANAGAR MADYAMGRAM, madyamgram ganganagar

Class : Class 3

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Believer from Delhi Public School, Bangalore

Class : Class 2

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Arnav Diwan from F.A.I.P.S Kuwait, Kuwait

Subject :IMO Class : Class 10

In the given figure, PQL and PRM are tangents to the circle with centre O at the points Q and R, respectively and S is a point on the circle such that ∠SQL = 50° and ∠SRM = 60°. Then, ∠QSR is equal to ______.

A60°
B70°
C50°
D55°

Here in this question the correct answer should be 70 not 50 option C is wrong, option B is the correct answer

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Devesh Kumar Shrivastava from Ramjas School, Pusa Road, New Delhi

Subject :IMO Class : Class 9

If 2^{x – 3}.32^{x – 8} = 36, then the value of x is ______.

A2
B5
C3
D1

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Ashvik Banerjee from Mount Litera Zee School , Vasco

Class : Class 9

The question is incorrect. Please change it.

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pehar from RPS International School, Gurgaon

Subject :IMO Class : Class 10

Obtain all the zeroes of the polynomial f(x) = 3x⁴ + 6x³ – 2x² – 10x –5, if two of its zeros are and – .

A 1, –1
B 1, 1
C –1, –1
D 1, 0

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Suryavamsi from Silveroaks international school hyderabad, India, Hyderabad

Subject :IMO Class : Class 7

Manan bent a piece of wire of length 1.5 m to form the given figure. The figure is made up of 4 squares and 4 equilateral triangles. If the length of XY is 20 cm, how much wire did he have left with him?

A60 cm
B30 cm
C24 cm
D120 cm

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