Subject :IMO Class : Class 4

Subject :IMO Class : Class 9

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Subject :IMO Class : Class 8

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Subject :IMO Class : Class 4

## Ans 1:

Class : Class 4

There are four equations P Q R=75; Q R S=90; P R S=100; Q S P=80Add them up all. You will get 3P 3Q 3R 3S=345. This means P Q R S=115We can replace the value of P Q R=75 in the above to get the value of S which would be 40. From the second equation, we can get the total value of Q R 40=90 as 50

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Subject :IMO Class : Class 7

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Subject :IMO Class : Class 7

## Ans 8:

Class : Class 7

B is the correct answer. A cannot be the correct answer as ~~
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Subject :IMO Class : Class 7

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Subject :IMO Class : Class 6

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Subject :IMO Class : Class 9

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Subject :IMO Class : Class 9