A solid cube of side 6 is first painted pink and then cut into smaller cubes of side 2. How many of the smaller cubes have paint on exactly 2 sides?

A man spent ½ of his money and then lost ¼ of the remainder. He was left with Tk. 3,600. How much did he start...

A Triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the f...

A Shopkeeper buys 100 mangoes at Tk. 12 each. He sells 60 mangoes at Tk. 17.40 each and x mangoes at Tk. 11.31...

Lamia owns a hairdressing salon. She borrows Tk. 2500 from a bank to improvements to her beauty salon. She is...

A room 8 m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm × 11.25 cm × 6 cm. The...

If the salary of an employee is reduced by 10 percent for his late attendance and then increased by 10 percent...