Water is flowing at the rate of 15 km/hour through a pipe of diameter 14 cm into a cuboid pond which is 50 m long and 44 m wide.
Water is flowing at the rate of 15 km/hour through a pipe of diameter 14 cm into a cuboid pond which is 50 m long and 44 m wide. In what time will the level of water in pond rise by 21 cm?
S-1-1–Can two numbers have 18 as their HCF and 380 as their LCM?