15 taps can fill a tank in 36 minutes. How many taps will be required to fill the tank in one hour?
Answer & explanation
Correct answer: option 2
Formula to be used here,
\( {V}_{1 } \) x \( { T}_{1 } \) = \( { V}_{2 } \) x \( { T}_{2 } \)
where, V = Taps, T = Time in minutes,
⇒ Putting values in the formula,
⇒ 15 x 36 = \( { V}_{2 } \) x 60
⇒ \( { V}_{2 } \) = 9.