Question

a pipe can fill 4water tanks in 2hr 20min. how long will it take to fill 7such tanks using the same pipe​

Answer 1

Answer:

2 hrs and 20 minutes =4 tank

1 hrs = ?tanks

0.3

7 hrs =0.3 × 7 = 2.1 tank

Answer 2

Answer:

1 tank takes 35min(140÷4)

7 tank takes 245min(7×35)

convert 245min to hour's(245÷60)