A city currently has 133 streetlights. As part of an urban renewal program, the city council has decided to install 2 additional streetlights at the end of each week for the next 52 weeks.How many streetlights will the city have at the end of 48 weeks?

The distance between street light A and street light B is 12 km.More street lights are placed between street light A and street light B such that the distance between every street light is 34 km.How many street lights are placed between street light A and street light B?

A city recently opened a new tram line. By the end of the first week, 100 passengers had taken the tram.The number of passengers that take the tram during the week triples every week. So far, a total of 4,000 passengers have taken the tram since it opened.How many weeks has it been since the tram opened?

Eighteen workers can lay a road in 24 days working 12 hours a day.  In how many days can 54 workers lay a road which has one-third more length than the earlier one, working 8 hours a day?

Every day a school bus driver passes the same traffic light twice, once before school and once after.Each time he passes the light, he records if it is red, green, or yellow.Here is a summary of the data he got after 200 days.Traffic light before school Traffic light after school Number of daysred red 33red green 23red yellow 28green red 17green green 34green yellow 13yellow red 21yellow green 15yellow yellow 16Suppose the driver will continue recording the colors for 150 more days.In how many of these 150 days will the light be green exactly once? Use the data to make a prediction.

The traffic lights at three different road crossings change after every 48 sec, 72 sec and 108 sec respectively. If they all change simultaneously at 8:20:00 hrs, when will they change again simultaneously