At the same time that a 60-feet tall building casts a shadow that 21.5 feet long, a nearby tree casts a shadow that is 18 feet long . Which measure is closest to the height of the tree ?

A collection of books went on sale and 2/3 of them were sold for TK. 2.30 each. If none of the 36 remaining bo...

In company X, the average salary of 10 of the employees is TK. 30,000 the average salary of 30 other employees...

If a women is paid Tk. m per hour for every hour she works up to 8 hours and is paid double for every hour she...

The sum of three cosecutive even integers is equal to 4 times the smallest. What is the smallest of the intege...

If 4 is subtracted from 1/4th of number, the result is 20. What is that number?

If 1/x>1/5 then ---