International Maths Olympiad Forum By SOF Olympiad Trainer - Page 393

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5

Ans 2:

Class : Class 3
bit confuseing

Ans 3:

Class : Class 3
bit confuseing

Ans 4:

Class : Class 3

Ans 5:

Class : Class 3

Ans 6:

Class : Class 5

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8

Ans 3:

Class : Class 10

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Subject :IMO    Class : Class 9

Ans 1:

Class : Class 10
how

Ans 2:

Class : Class 10

Ans 3:

Class : Class 9
Solve- In 1st figure, 6^3+4^3+3^3+2^3=315 ​ In 2nd figure, 11^3+8^3+7^3+6^3=2402 Similarly, in 3rd figure, 5^3+4^3+1^3+x^3=1190 = 190+x^3=1190 = x^3=1000 = x=10 So, correct answer is D) 10

Ans 4:

Class : Class 10

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
please tell

Ans 2:

Class : Class 4

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
Not explained the solution properly , please correct

Ans 2:

Class : Class 6

Ans 3:

Class : Class 8
Could I have some sort of explanation as to why? The question really isn't clear

Ans 4:

Class : Class 8
So damn confusing

Ans 5:

Class : Class 7

Ans 6:

Class : Class 8

Ans 7:

Class : Class 9
WHY

Ans 8:

Class : Class 7
WTF

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6
Ans D is correct, not wrong because 2, 4, 8, 10, 12, 14, 16, 18, 22, 24, 28 and 30 are working days of guitar classes. 6 and 20 are not working days because these days are sundays and 26 is not a working day because it is a fourth saturday and even sundays and fourth saturday are not working days.

Ans 3:

Class : Class 7
Total number of days Sneha goes for guitar classes = 12∴ Number of days she does not go for guitar classes = 31 - 12 = 19

Ans 4:

Class : Class 5

Ans 5:

Class : Class 4
ans is d

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Subject :IMO    Class : Class 2

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