ram and shyam start a two - length swimming race at the same moment but from opposite ends of the pool. they swim in lanes at uniform speeds, but hardy is faster than andy. they 1 st pass at a point 18.5 m from the deep end and having completed one length each 1 is allowed to rest on the edge for exactly 45 sec. after setting off on the return length, the swimmers pass for the 2 nd time just 10.5 m from the shallow end. how long is the pool?
Answers.
A) 65 B) 60 C) 55 D) 50 E) 45
<gadget id="calculator">18.5 * 2</gadget>
<output>37</output>

<gadget id="calculator">37 + 18.5</gadget>
<output>55.5</output>

<gadget id="calculator">55.5 - 10.5</gadget>
<output>45</output>

<result>E</result>
ram and shyam start a two - length swimming race at the same moment but from opposite ends of the pool. they swim in lanes at uniform speeds, but hardy is faster than andy. they 1 st pass at a point 18.5 m from the deep end and having completed one length each 1 is allowed to rest on the edge for exactly 45 sec. after setting off on the return length, the swimmers pass for the 2 nd time just 10.5 m from the shallow end. how long is the pool?
subtract(add(multiply(18.5, const_2), 18.5), 10.5)
let x = length of pool at first meeting , combined distance = x at second meeting , combined distance = 3 x if andy swims 18.5 m of x , then he will swim 3 * 18.5 = 55.5 m of 3 x andy ' s total distance to second meeting = x + 10.5 m x + 10.5 = 55.5 m x = 45 m e