Question

18 bighas of land may be irrigated in 8 days by a shallow tube-well pump working 15 hours per day. How many days will it take to irrigate 21 bighas of land by operating the pump 10 hours per day?​

Answer 1

Answer:

14 days

Step-by-step explanation:

irrigated 18 bighas in : 8*15 hours

irrigated 1 bighas in. : 8*15/18 hours

irrigated 21 bigad in. : (8*15/18)*21

: 140 hours

in 10 hours per day. : 140/10 days

: 14 days