৫৪৯১
The amount of time that three secretaries worked on a special project are in the ratio of 1 to 2 to 5. If they worked a combined total of 112 hours, how many hours did the secretary who worked the longest spend on the project?
উত্তর
70
৫৪৯২
The ratio of the length to the width of a rectangular advertising display is approximately 3.3 to 2. If the width of the display is 8 meters, what is the approximate length of the display, in meters?
উত্তর
13
৫৪৯৩
A gym class can be divided into 8 teams with an equal number of players on each team or into 12 teams with an equal number of players on each team. What is the lowest possible number of students in the class?
উত্তর
24
৫৪৯৪
A retail appliance store priced a video recorder at 20 percent above the wholesale cost of Tk. 200. If a store employee applied the 10 percent employee discount to the retail price to buy the recorder, how much did the employee pay for the recorder?
উত্তর
Tk. 216
৫৪৯৫
A bag contains 7 red, 9 yellow and 3 black balls. If a ball is picked at random, what is the probability that the ball drawn will be either a red or a black ball.
উত্তর
9/19
৫৪৯৬
Committee X has 4 members, Committee Y has 5 members, and these committee's have no members in common. If a task force is to be formed consisting of one member of X and one member of Y, how many different task forces are possible
উত্তর
20
৫৪৯৭
As a salesperson, Poly can choose one of two methods of annual payment either an annual salary of Tk. 35,000 with no commission or an annual salary of Tk. 10,000 plus a 20 percent commission on her total annual sales. What must her total annual sales be to give her the same annual pay with either method?
উত্তর
Tk. 125,000
৫৪৯৯
In a triangle the length of the sides are 5, 9 and x. Which statement is always true?
উত্তর
4 < x < 14