Palash drives from City A to B at 40 km per hour and returns over the same road at 30 km per hour and spends 8 hours away from home including a one hour stop for lunch. What is the distance (in km) between City A and City B?
A collection of books went on sale and 2/3 of them was sold for Tk 2.30 each. If none of the 36 remaining books were sold, what was the total amount received for the books that were sold?
TK 7,500 is divided in the ratio of 1 : 2 : 3 : 4 : 5. Find the difference between the greatest and smallest shares?
When the diameter of a circle is tripled, the area of the circle will be increased by how many times?
In the coordinate plane, line m passes through the origin and has a slope of 3. If points (6, y) and (x, 12) are on line m, then y-X = ?
A delivery cart went from Candle ford to Lark Rise and back at an average speed of 2/3 miles per hour. If the distance from Candle ford to Lark Rise is 1 mile, and the trip back took half as much time as the trip there, what was the average speed of the delivery cart on the way to Lark Rise?
The average of several exam scores is 80. One make-up exam was given. Included with the other scores, the new average was 84. If the score on the make up exam was 92, how many total exams were given?
If one of the roots of the quadratic equation x2 + mx + 24 = 0 is 1.5, then what is the value of m?
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 with?
A Triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be length of the other side?
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 each. The shopkeeper makes a profit of at least 10%. Find the least possible value of x.
Lamia owns a hairdressing salon. She borrows Tk. 2500 from a bank to improvements to her beauty salon. She is charged 4.5% per year compound interest. She pays the money back after 3 years. Calculate the total amount Lamia must pay to the bank.
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 number of bricks required is.
If the salary of an employee is reduced by 10 percent for his late attendance and then increased by 10 percent on a pardon, how much does he loss?
A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?
Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
85% of a number is added to 24, the result is the same number. Find the number?
In a city, 40% of the people are illiterate and 60% are poor. Among the rich, 10% are illiterate. What percent of the poor population is illiterate?
A woman says, "if you revise my own age, the figure represents my husband's age. He is, of course, senior to me and the difference between our ages is one eleventh of our sum. "What is the age of the woman?