Practice30 Create account

Two taps together fill a tank in 3 3/4 hours. One alone takes 4 hours longer than the other. How long does the faster tap take?

Class 10Quadratic Word Problems: Work and PipesQuadratic Equations

A10 hours
B5 hours
C4 hours
D6 hours

Step-by-Step Solution

\frac{1}{x} + \frac{1}{x + 4} = \frac{4}{15} : 4 x^{2} - 14 x - 60 = 0, i . e .2 x^{2} - 7 x - 30 = 0, (x - 6) (2 x + 5) = 0

.

Answer: D) 6 hours

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Quadratic Word Problems: Work and Pipes practice questions

More Class 10 Quadratic Word Problems: Work and Pipes practice

Pipe B takes 10 hours longer than pipe A to fill the tank shown, and together they fill…Kavita and Anu tile a floor in Bhopal. Anu alone takes 6 days more than Kavita alone,…The large tap fills the drum 10 minutes faster than the small tap. With both taps open,…A goods train runs 360 km from Chennai to Bengaluru. If its usual speed were 5 km/h…A flight from Delhi to Mumbai (1200 km) took off 30 minutes late. By flying 400 km/h…