Practice30Create account

All the taps are identical. With 3 taps open, the tank fills in 40 minutes. How long will the same tank take to fill with 5 taps open?

Class 8Direct and Inverse ProportionsDirect and Inverse Proportions
  • A66 minutes
  • B38 minutes
  • C8 minutes
  • D24 minutes

Step-by-Step Solution

More taps fill faster: inverse proportion. tap-minutes, so 5 taps take minutes. (8 minutes divides 40 by 5 and ignores the 3 taps.)
Answer: D) 24 minutes

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 Direct and Inverse Proportions practice questions

More Class 8 Direct and Inverse Proportions practice

On the map, Mumbai and Pune are 6 cm apart in a straight line. The map scale is 1 :…Meera reads the price list at Ganesh Stationers. Cost is in direct proportion to the…In the table, x and y are in inverse proportion; the known pairs are plotted on the…A camp has food for 120 soldiers for 30 days. After 5 days, 30 more soldiers join, as…Two gear wheels mesh as shown. The big gear has 40 teeth and turns 20 times. How many…