International Maths Olympiad Forum By SOF Olympiad Trainer - Page 412

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
131

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Subject :IMO    Class : Class 9

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
D IS THE RIGHT ANSWER. FOR E.G. 55155,55455,55755,66366 ETC.

Ans 2:

Class : Class 9
@Ketaki Subhash view the solution and then say anything you want

Ans 3:

Class : Class 8
stupid the answer is b...….

Ans 4:

Class : Class 9

Ans 5:

Class : Class 9
answer is 3 as the centre no. has to be 0 otherwise the number will never be divisible by 0. Also from 0 - 9, 0,3,6 and 9 are the only ones divisible by 3 but 0 cannot be the value of A hence the values could 3, 6 or 9. So the answer is 3

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 4
long question

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9
Too long to solve

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
12

Ans 2:

Class : Class 8
Aarav, answer is 12, there are 2 more triangles. Kindly check again.

Ans 3:

Class : Class 5
there are 20, hard to accept, i thought 16.

Ans 4:

Class : Class 8
its 10

Ans 5:

Class : Class 6
Its 12

Ans 6:

Class : Class 5
18

Ans 7:

Class : Class 4
Ok

Ans 8:

Class : Class 6
kindly check there are 16 triangles

Ans 9:

Class : Class 7
ans. 12

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 8
630 #firstanswer

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Subject :IMO    Class : Class 5

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