International Maths Olympiad Forum By SOF Olympiad Trainer - Page 550

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
thanks

Ans 2:

Class : Class 8
It is given that, AB BC = 10 cm ...(i) BC CA = 12 cm ...(ii) CA AB = 16 cm ...(iii) Adding (i), (ii) and (iii); we get, 2(AB BC CA) = 10 12 16 ⇒ AB BC CA = 19 cm.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 8
I think a is the answer !!!!!!!!!

Ans 2:

Class : Class 6
Second A from the right end.

Ans 3:

Class : Class 8
I think a is the ans !!!!!!!!!

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
All are incorrect according to me

Ans 2:

Class : Class 8
All seem incorrect to me

Ans 3:

Class : Class 8

Ans 4:

Class : Class 6

Ans 5:

Class : Class 7
All are incorrect.

Ans 6:

Class : Class 8
Figure A Does not have Infinite order of rotational symmetry. Figure B has Two Lines of Symmetry. Figure C has 1 line of symmetry. Figure D has Infinite lines of symmetry. Hence the answer is B

Ans 7:

Class : Class 7
All are incorrect.Figure A has order of rotational symmetry = 3Figure B has order of rotational symmetry = 2Figure C has 2 lines of symmetry diagonally from its vertexesFigure D has 4 lines of symmetry.

Ans 8:

Class : Class 8

Ans 9:

Class : Class 7

Ans 10:

Class : Class 8

Ans 11:

Class : Class 9
All are incorrect

Ans 12:

Class : Class 8

Ans 13:

Class : Class 7
only c is correct

Ans 14:

Class : Class 7
All seem incorrect to me.Please rectify this error SOF.

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
but rectangle can be cut diagonally somebody pls explain

Ans 2:

Class : Class 7

Ans 3:

Class : Class 10

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 6
A is the correct answer

Ans 3:

Class : Class 10

Ans 4:

Class : Class 6

Ans 5:

Class : Class 6
C is wrong

Ans 6:

Class : Class 8

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