International Maths Olympiad Forum By SOF Olympiad Trainer

Rudra Parikh from Dps, Ahmedabad

Subject :IMO Class : Class 10

A circle with area A₁ is contained in the interior of a larger circle with area A₁ + A₂. If the radius of the larger circle is 3 units and A₁, A₂, A₁ + A₂ are in A.P., then the radius of the smaller circle is _____.

A units
B 1 unit
C 2 units
D units

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Dhairya Vinayak from Loyola High School, Patna

Subject :IMO Class : Class 8

Mrs Priya earns ₹ 18000 per month. She spends on household items and on rest of the things. The amount she saves is ________.

A ₹7120
B ₹5250
C ₹ 5520
D ₹ 6562.50

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Ans 1:

Rudra Tripathi from DPS Noida, Noida

Class : Class 10

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Abhinha Ajay Ovhal from Podar International School, Latur

Subject :IMO Class : Class 2

Anju baked 6 cakes. The weight of each cake is 3 kg. What is the total weight of all the cakes?

A 18 kg
B 12 kg
C 21 kg
D 16 kg

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Ans 1:

Gaurika Bhasin from Genesis global school, Noida

Class : Class 2

18 yes you are correct

Ans 2:

ADVAY BANSAL from LOTUS VALLEY INTERNATIONAL SCHOOL GURUGRAM, GURUGRAM

Class : Class 6

a in all is coreect

Ans 3:

Madhavan from psbb, chennai

Class : Class 3

18

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Abhinha Ajay Ovhal from Podar International School, Latur

Subject :IMO Class : Class 2

Raman bought 146 litres of paint. He used 89 litres of paint for his house. How much paint is left with him?

A 57 litres
B 50 litres
C 55 litres
D 45 litres

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Ans 1:

Gaurika Bhasin from Genesis global school, Noida

Class : Class 2

Ans 2:

Gaurika Bhasin from Genesis global school, Noida

Class : Class 2

Ans 3:

Gaurika Bhasin from Genesis global school, Noida

Class : Class 2

The correct answer is A

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Abhinha Ajay Ovhal from Podar International School, Latur

Subject :IMO Class : Class 2

A shopkeeper has 10 bags of rice each having weight 15 kg. What is the total weight of the rice bags ?

A 100 kg
B 150 kg
C 200 kg
D 250 kg

Sss

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Abhinha Ajay Ovhal from Podar International School, Latur

Subject :IMO Class : Class 2

A tank contained 72 litres of water. Shikha drained 47 litres of water through a tap from the tank. How much water is left in the tank ?

A 25 litres
B 30 litres
C 40 litres
D 50 litres

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Ans 1:

Vyan Badoni from jns , Mumbai

Class : Class 2

72_47 =25 simple

Ans 2:

anu from Haralur, Bengaluru

Class : Class 5

A

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Tanvika valluri Rajesh from Chennai public school, Chennai

Subject :IMO Class : Class 6

The region bounded by chord and minor arc is called _____.

A Minor segment
B Major arc
C Major segment
D Semicircle

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Shuvangi Das from Vivekananda mission school, haldia

Class : Class 9

can anyone please explain the answer

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Agnish Chakraborty from The Heritage School, Kolkata

Subject :IMO Class : Class 2

Which is lightest among all four ?

A
B
C
D

yes i give you the correct answer

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Gaurika Bhasin from Genesis global school, Noida

Class : Class 2

Yeah,,,ð¿ð¹ð©ð»ðððð¤³ð¼âï¸ð¤

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soumil srivastava from dps, paradip

Subject :IMO Class : Class 8

Which of the following graphs cannot be a time temperature graph?

A
B
C
D

why not this also be time and temp graph pl explain

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Ans 1:

Vivan Ramchandani from Bombay Scottish, Mumbai

Class : Class 5

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Mayank Mili from Delhi Public School, Golaghat

Subject :IMO Class : Class 7

Which of the following statements is CORRECT?

A The products of fractions are expressed as
B The product of two proper fractions is greater than the individual fractions involved in the operation.
C The product of a proper and an improper fraction is less than the proper fraction.
D When a decimal number is to be divided by 10, 100 or 1000, the decimal in the decimal number is shifted to the right.

A

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Ans 1:

Shivangi Shivu Singh from Pawar Public School Chandivili , Mumbai

Class : Class 7

The answer should be option 'D', not option 'A' , this is incorrect.

Ans 2:

Aadvik saini from Mvn sector 17, Faridabad

Class : Class 8

yes the answer should be D not A

Ans 3:

Dhruv from Springdales, Dubai

Class : Class 9

ans is dthis is wrong

Ans 4:

Ninad Totekar from Shiksha Sadan, Ponda

Class : Class 7

yes the answer is D not A

Ans 5:

Mayank Mili from Delhi Public School, Golaghat

Class : Class 9

D

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