International Maths Olympiad Forum By SOF Olympiad Trainer

Pavan from Kendriya Vidalaya DRDO, Bengaluru

Subject :IMO Class : Class 6

The expression 6(b + c) is equivalent to 6b + 6c, uses the ______ property.
(a) Commutative
(b) Closure
(c) Distributive
(d) Identity

ans=c) distributive

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Pavan from Kendriya Vidalaya DRDO, Bengaluru

Subject :IMO Class : Class 6

There are three numbers A, B and C. A is double of B, C is 65 which is 17 less than A. What is the value of B ?
(a) 41
(b) 40
(c) 36
(d) 42

ans=a)4165 17=82,82 divided by 2=41

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Samaira from Global Indian International School, Bangalore

Subject :IMO Class : Class 4

Which of the following is the correct mirror image of Fig. (X), if mirror is placed along MN?

A
B
C
D

I got the question wrong because I did not see the needleâs position........ do not make this mistake.......it was a good question though

Ans 1:

Akshaj Mittal from The Cambridge School, Dhuri

Class : Class 4

A bit Confused Question

Ans 2:

Swarnava Dutta from Delhi Public School, Dadri

Class : Class 4

Answer is B..... SO EASY

Ans 3:

Aditi kathat from Deens, Bangalore

Class : Class 4

Ans 4:

Prahit tiwari from Chrysalis high varthur bangalore, Bangalore

Class : Class 4

Ans 5:

Nehal from New Horizon Gurukul, Bangalore

Class : Class 6

B IS THE ANSWER EVEN JUNIOR KG WILL GET THE ANSWER IN A MINUTE OR HALF A MINUTE

Ans 6:

Nehal from New Horizon Gurukul, Bangalore

Class : Class 6

B IS THE ANSWER EVEN JU

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Pavan from Kendriya Vidalaya DRDO, Bengaluru

Subject :IMO Class : Class 6

The incomes of A and B are in the ratio 3 : 2 and their expenditures in the ratio 5 : 3. If each saves Rs. 1000, then A's income is _________.
(a) Rs. 3000
(b) Rs. 4000
(c) Rs. 6000
(d) Rs. 9000

ans=c)Rs.6000

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Pavan from Kendriya Vidalaya DRDO, Bengaluru

Subject :IMO Class : Class 6

A man walked 3 km towards North then 8 km towards South. His position at the end of the walk is
(a) 5 km towards East
(b) 3 km towards South
(c) 8 km towards North
(d) 5 km towards South

d)5 km towards South

Ans 1:

Gauri Singh from St. John's School, Marhauli, Varanasi

Class : Class 10

d. 5 km towards south is the right answer

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Yash Bindal from Global Indian International School, Singapore

Subject :IMO Class : Class 8

Which solid would be formed by the given net?

(a) Triangular Pyramid
(b) Square Pyramid
(c) Hexagonal Pyramid
(d) Rectangular Pyramid

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Pavan from Kendriya Vidalaya DRDO, Bengaluru

Subject :IMO Class : Class 6

In the figure, not drawn to scale, ABC is a right-angled triangle.

Find ÐDBE.
(a) 51°
(b) 52°
(c) 54°
(d) 55°

Ans 1:

Pavan from Kendriya Vidalaya DRDO, Bengaluru

Class : Class 8

ans)=a)=51 degrees

Ans 2:

Gauri Singh from St. John's School, Marhauli, Varanasi

Class : Class 10

12 + 27 =39, so we'll subtract 29 from 90 to get the answer. 90-29 = 51 so option a is right

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Pavan from Kendriya Vidalaya DRDO, Bengaluru

Subject :IMO Class : Class 6

Which of the following is a true statement about a cube?

(a) It has a greater number of edges than vertices.
(b) It has the same number of vertices as faces.
(c) It has a greater number of faces than vertices.
(d) It has a greater number of faces than edges.

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Ans 1:

Nandika M from Kendriya Vidyalaya DRDO, Bengaluru

Class : Class 3

ans=a)=it has a greater number of edges than vertices

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Pavan from Kendriya Vidalaya DRDO, Bengaluru

Subject :IMO Class : Class 6

The bar graph given below shows the weights of a beaker when empty and when different balls are placed in it.

What is the total weight of balls A, B and C ?

(a) 200 grams

(b) 600 grams

(c) 360 grams

(d) 400 grams