International Maths Olympiad Forum By SOF Olympiad Trainer

Devyansh Gupta from MVN Aravali Hills, FARIDABAD

Subject :IMO Class : Class 9

In the given Venn diagram, rectangle represents scientists, circle represents people worked in NASA and triangle represents people worked in ISRO. Which of the following number represents scientists who worked only in ISRO?

A7
B8
C2
D5

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Ans 1:

Krishnan V from BGSIRS, Bengaluru

Class : Class 9

this is wrong. the correct answer is (c) 2

Ans 2:

Vaibhav from Beacon High School, pune

Class : Class 9

c.2

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Kanav Sancheti from JPHS, Jaipur

Subject :IMO Class : Class 7

The following number line shows the temperature in degree celsius (°C) at different places (P to T) on a particular day.

What is the difference in temperature between the hottest and coldest places as shown on the number line?

A30 °C
B39 °C
C15 °C
D40 °C

difference between two the hottest and the coldest means 25-(-15) 25 15=40

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Kanav Sancheti from JPHS, Jaipur

Subject :IMO Class : Class 7

If a : b = 2 : 3, then (3a + 2b) : (5a + 3b) is equal to ______.

A
B
C
D

AS PER THE QUESTION IF WE TAKE A=2 AND B=3 AND AFTER CALCULTING WE WOULD GET 12/19

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Kanav Sancheti from JPHS, Jaipur

Subject :IMO Class : Class 7

In the given figure (not drawn to scale), ABC and DBE are straight lines. Find the value of y.

A38°
B142°
C52°
D68°

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Ans 1:

mudit from saint soldier acedmy, jaipur

Class : Class 7

Ans 2:

mudit from saint soldier acedmy, jaipur

Class : Class 7

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Kanav Sancheti from JPHS, Jaipur

Subject :IMO Class : Class 7

The following are the margins of victory in the matches of a football league : 3, 2, 1, 5, 6, 4, 2, 1, 3, 1, 2, 1, 4, 2, 5, 5, 6, 2, 3, 2.
Find the mean of the data.

A2
B3
C2.5
D3.5

so mean is average and after calculating it would be option c

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Kanav Sancheti from JPHS, Jaipur

Subject :IMO Class : Class 7

Find the correct mirror image of Fig. (X), if the mirror is placed vertically to the left.

A
B
C
D

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Kanav Sancheti from JPHS, Jaipur

Subject :IMO Class : Class 7

Pointing to a photograph, Manish said, "He is the son of the only daughter of the father of my brother." How is Manish related to the man in the photograph?

ABrother-in-law
BBrother
CMaternal uncle
DFather

after understanding the question it is proved that the MANISH is the brother of the daughter and her son means that Manish is the maternal uncle for the man

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Kanav Sancheti from JPHS, Jaipur

Subject :IMO Class : Class 7

Select a figure from the options which satisfies the same condition of placement of the dots as in Fig. (X).

A
B
C
D

1 dot should be placed like that it is satisfying all the three and the second as it is satisfying only rectangle and triangle so after observing we could see that in OPT.D it is happening and it is the correct answer