Question

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Answer 1

Given,

For 50 Swimmers ----- 3 Lifeguards.

And, For 200 Swimmers ----- ?

Now, 50 : 200 :: 3 : ?

3 x (200 / 50)

= 3 x 4

= 12.

There Should Be 12 Lifeguards When 200 Swimmers Are In The Pool.