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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
A. I used trick because any number x10 will end with 0

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5
A

Ans 4:

Class : Class 5
A

Ans 5:

Class : Class 2
A

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
D) IS THE ANSWER as answer should be 5x^2 + 23xy-2y^2+1

Ans 2:

Class : Class 10
THE CORRECT ANSWER IS D NONE OF THESE. AS CORRECT ANSWER IS 5x^2 + 23xy-2y^2+1. TELL IF YOU WANT SOLUTION.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
c

Ans 2:

Class : Class 4
c

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
The answer is C as 6408-4809=1599

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
ccccccccccccccccccccccccccccccccccccccccccccc ans

Ans 4:

Class : Class 4
Answer is C

Ans 5:

Class : Class 5

Ans 6:

Class : Class 5
Answer is C because 6408-4809=1599

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
C

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10
THE CORRECT ANSWER IS C C AND D.BOTH HAVE SAME PERIMETER THAT IS 14.

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