In the Shanghai trade fair, 49771 visitors came on Monday, 68141 visitors came on Tuesday, 76808 visitors came on Wednesday, and 23778 visitors came on Thursday. In total, how many visitors visited the Shanghai trade fair?

A poultry farm produced 186669 eggs in a year. It packaged 75423 eggs and sent them to market while 87589 eggs got destroyed. How many eggs are left with the poultry farm?

Altaf is traveling to his hometown. Altaf has to travel 143 km on Highway number 1, 411 km on Highway number 22, and 104 km on highway number 31 and 311 km within the town to get to his home. How many kilometers does Altaf need to travel to reach his home?

Fakhira bought 4 pencils and 6 books from the market. If the price of each pencil and book is ৳ 20 and ৳ 28 respectively, how much money did Fakhira pay for the pencils?

Three classes will go the book fair in Chittagong. The first class will arrive at the book fair on the time shown on the clock below:

Each class will spend 30 minutes at the book fair and then leave. The second class arrives at the book fair after the first class leave, and the third class will arrive after the second class leave. At what time will the third class leave the book fair?

In a community, two neighbours have rectangular backyard having the same area of 660 sq. meter. If the breadth of first backyard is 6 meter and the breadth of second backyard is 60 meter, find which backyard will require more fencing and by how much?