Ask General Olympiad Related Questions, Forum By SOF Olympiad Trainer - Page 340

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Subject :Sam    Class : Sample

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Subject :Sam    Class : Sample

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Subject :Sam    Class : Sample

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Subject :Sam    Class : Sample

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Subject :Sam    Class : Sample

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Subject :Sam    Class : Sample

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Subject :Rea    Class : Class 8

Ans 1:

Class : Class 8
2*1+1= 3, 3*2+2=8, 8*3=3=27, 27*4+4=112, 112*5=5=565. Hence the next no. is 565.

Ans 2:

Class : Class 8

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Subject :Sam    Class : Sample

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Subject :Sam    Class : Sample

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Subject :Sam    Class : Sample

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7
I know the answer but just making myself sure!

Ans 3:

Class : Class 8

Ans 4:

Class : Class 6
Forgot to check prime no.

Ans 5:

Class : Class 9

Ans 6:

Class : Class 6
The answer is 7 because all other are composite numbers whereas 7 is a prime number

Ans 7:

Class : Class 4

Ans 8:

Class : Class 5

Ans 9:

Class : Class 9
7 is a prime number whereas others are composite

Ans 10:

Class : Class 6

Ans 11:

Class : Class 5
was quite confused

Ans 12:

Class : Class 5

Ans 13:

Class : Class 6

Ans 14:

Class : Class 5

Ans 15:

Class : Class 5

Ans 16:

Class : Class 5
i never recognised!

Ans 17:

Class : Class 1

Ans 18:

Class : Class 5
it was tricky

Ans 19:

Class : Class 8
All the numbers except 7 are composite

Ans 20:

Class : Class 10
a is the answer

Ans 21:

Class : Class 5
The odd numeral is 7 because 9, 4, and 6 are all composite numbers where 7 is an prime numeral

Ans 22:

Class : Class 7
I know the answer but just making myself sure!

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