Charlotte goes to the grocery store every 3 days and visits the gym every 4 days. If she did both errands today, how many days will pass before she does both on the same day again?

Hannah works for 22 days in a month, of which she works from home 10 days a month.In a year, what fraction of her working days does she work from home?

Trent goes hiking every 9 days and swimming every 6 days. He did both kinds of exercise today. How many days from now will he next go both hiking and swimming again?

A, B and C can do a piece of work in 12 , 24 and 36 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

One week, Charlotte earned $333.00 at her job when she worked for 18 hours. If she is paid the same hourly wage, how many hours would she have to work the next week to earn $425.50?

A and B together can do a piece of work in 8 days, but A alone can do it in 12 days. How manydays would B alone take to do the same work?