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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
a) x+y

Ans 2:

Class : Class 8
((x^-1)+(y^-1))^-1=((1/x)+(1/y))^-1 =((x+y)/xy)^-1=xy/(x+y)

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
pls make me understood ..its too difficult

Ans 2:

Class : Class 8
2^2001+2^1999/ 2^2000-2^1998 (first take common of 1999 and 1998) =2^1999 (2^2+1)/ 2^1998 (2^2-1) =2^1999-1998×{(4+1)/(4-1) =2×5/3=10/3 ans.. (B)

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
b. healthy

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
c. Thermometer

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
the answer should be 3

Ans 2:

Class : Class 7

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