International Maths Olympiad Forum By SOF Olympiad Trainer - Page 671

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 9
The answer is B but if anyone has doubt , please call 9243729047 . I will explain it briefly to you .

Ans 2:

Class : Class 2
C

Ans 3:

Class : Class 3
Ya B

Ans 4:

Class : Class 5

Ans 5:

Class : Class 5
b

Ans 6:

Class : Class 9
thank you

Ans 7:

Class : Class 7
hey , it is 90 tenths cause tenths means at the tenths place only . But if if there is another no. like 90 tenths we should multiply . But if you choose hundredth tenths it it will become in thousands value.

Ans 8:

Class : Class 4
b

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
If the movie is for 2 hours it can be shown 6 times between 12 noon and 12 midnight which is 12 hours. 12/2=6. The answer is B.

Ans 2:

Class : Class 4
Ok

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Subject :IMO    Class : Class 7

Which of the following options hold?
I. Two triangles are congruent to each other if their corresponding angles and corresponding sides are euqal.
II. If two angles and the included side of one triangle are equal to two corresponding angles and the included side of another triangle, then the two triangles are congruent to each other.
III. If three angles of a triangle are equal to three corresponding angles of another triangle, then the triangles are called congruent.

AI and II are true, III is false
BI and III are true, II is false
Conly I is true
DAll of these are true.


all are conditions of congruence by definition

Ans 1:

Class : Class 8
AAA is not a property, hence 3rd statement is false.

Ans 2:

Class : Class 9
III is false because AAA is no property

Ans 3:

Class : Class 3
Why III is false?

Ans 4: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
I agree with Ahmad

Ans 2:

Class : Class 10
I agree with Ahmad

Ans 3:

Class : Class 8
answer should be 6

Ans 4:

Class : Class 10
I think the thickness of the lines of X makes the answer 5

Ans 5:

Class : Class 8
Correct answer is 5.

Ans 6:

Class : Class 7
h,o,x,s,n i think it is the answer

Ans 7:

Class : Class 7
IT IS 6 RIGHT?

Ans 8:

Class : Class 8
Please Someone explain

Ans 9:

Class : Class 10

Ans 10:

Class : Class 7
I agree with Ahmad

Ans 11:

Class : Class 9
HOSXZNcan u give more option

Ans 12:

Class : Class 7
There is a mistake.Actually there are 6 lettersThose are-H, O, S, X, Z, N

Ans 13:

Class : Class 7
please explain the answer in details

Ans 14:

Class : Class 8
I agree . There are 6 letters with a rotational line of symmetry

Ans 15:

Class : Class 7
I agree with Ahmad.

Ans 16:

Class : Class 7
I agree, it should be 6 - H, O, S, X, Z and N

Ans 17:

Class : Class 7
check toppers.com

Ans 18:

Class : Class 8
I also agree with Ahmad

Ans 19:

Class : Class 2
how it can be a 6 I think so, there is only 5 H,O,X,S and Z

Ans 20:

Class : Class 7
It is five letters since H,O,S,X and Z

Ans 21:

Class : Class 8
The answer is six - H, O, S, X, Z and N.

Ans 22:

Class : Class 6
Yes there are 6 letters I also agree with Ahmad

Ans 23:

Class : Class 9
Yes, I too agree with Ahamad.

Ans 24:

Class : Class 7
It is 7 becoz B has rotational symmetry of order2.

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Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
12 cartons have 60 cans 1 carton has 60/12=5 cans Hence, 2 cartons have 5x2=10 cans.

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Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
If digit 2 is replaced by digit 6, the number comes out to be 363. The change in value can be calculated as 363-323=40. The correct answer is C.

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 8
NOTES ARE NOT VISIBLEAS DIGITAL CONTENT COLOUR IMAGES CAN BE GIVENANSWER D IS INCORRECT

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Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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