If 604231 passengers travel everyday through Montego Bay airport, 691602 passengers travel through Kingston airport, 267281 passengers travel through airport, and 65931 passengers travel through airport. How many passengers in total travel through these four cities everyday?

3 bells ring at intervals of 24, 378, 60 seconds, respectively. If the bells ring together at 11 o'clock, when will they ring together again? How many times will they ring together in 2520 minutes?

The weight of cylinder filled with gas is ^@30 \space kg^@. If the weight of the empty cylinder is ^@ 15 \space
kg \space 700 \ g^@, find the weight of the gas contained in it.

A ship is sailing in the South-West direction. If it changes its direction towards the East on moving anticlockwise from its present position then by what angle will it turn?

Claire's toy car can travel 270 meters in a minute, while Kaymar's toy car can travel 23.76 kilometers in an hour. The ratio of the speeds of the cars belonging to Claire and Kaymar is:

Renardo bought a total of 18 hens and ducks. He got a discount of J$0.30 for each hen and a discount of J$1.60 for each duck. He saved J$21 in total. How many hens did he buy?

A survey was done at Apeejay School to find the modes of transport used by the students to reach the school. The result of the survey is shown through the circle chart shown below:

Which is the least preferred means of transport for coming to school?