The price of corn rose by 20% two years ago and 15% last year. What is the combined percent increase in price?

A hostel spends Tk. 3200 as cost of rice 20 students for 30 days. If they spend Tk. 2400 for 30 students, for...

A vertical pole 6 feet high casts a shadow 4 feet long. At the same time a tree cast a shadow 64 feet long. Wh...

The average of six numbers is 6. If 3 is subtracted from each of the numbers, what is the new average?

What is the eight term of the sequence 1, 4, 9, 16, 25, ...., ...., .....?

A worker is paid d Dollar an hour for the first 8 hours. Four every hour after the first 8 hours, she is paid...

The total of 10 number is 462; the average of the first 4 numbers is 52; the average of the last 5 numbers is...