International Maths Olympiad Forum By SOF Olympiad Trainer - Page 219

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
Can someone please help me with this problem

Ans 3:

Class : Class 6
can someone please explain the answer?

Ans 4:

Class : Class 6
can someone please explain the answer?

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 1
wo

Ans 2:

Class : Class 1
how is C the ansewr ?

Ans 3:

Class : Class 1
f

Ans 4:

Class : Class 1
y5555555555555555555555555555555555555555555555555555555555555555555

Ans 5:

Class : Class 1

Ans 6:

Class : Class 1
gffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffhhhhhhhhhhhhuhtfhjh;jh[pfk pgh[kh pjkopjoph gkp[gohp[gop[ikopgijoygjhopfgkopgjpofj

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 4

Ans 2:

Class : Class 4

Ans 3:

Class : Class 4
d

Ans 4:

Class : Class 1
nnnnnn

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 1

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 10
Answer should be A as:You can see that zig zag structure it is made of 8 lines in every figure just that one line from one end is shifted to another end, the cross remains same in all the fig now using the above explanation you can solve this questionFaster method to solve this question:Just by seeing the cross you can eliminate option B, you can also eliminate C as in option C one line has increased (at the bottom end) but in the other end (the end at the top) one line is not reduced as it should be so, option C eliminated then we are left with Option A and D, in D you can see one line at the end in the top has been removed but one line in the bottom end in not increased so option D eliminated B, C, D are eliminated you are now only left with A and that's the answer

Ans 2:

Class : Class 8
A

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Subject :IMO    Class : Class 3

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