Rahul's housing colony have One tap, working alone at its maximum constant rate, can fill a certain tank in 230 seconds. A second tap, working alone at its maximum constant rate, can fill the same tank in 234 seconds. If both taps work together at their respective maximum constant rates, the time it will take to fill the tank is closest to
Choose one.
A) 116 seconds
B) 150 seconds
C) 177 seconds
D) 200 seconds
E) 270 seconds
Tap 1 : 230 secs   Tap 2 : 234 secs   Considering the average of these 2 taps : 232 secs.   So 1 tap can fill the tank in 232 secs, so 2 taps can fill the tank in 232/2= 
<gadget id="calculator">232/2</gadget>
<output>116</output>
116 secs.   Closest answer is 116 seconds.
<result>A</result>
Rahul's housing colony have One tap, working alone at its maximum constant rate, can fill a certain tank in 230 seconds. A second tap, working alone at its maximum constant rate, can fill the same tank in 234 seconds. If both taps work together at their respective maximum constant rates, the time it will take to fill the tank is closest to