প্রশ্নঃ A painter has painted one-third of a rectangular wall which is ten feet high. When he will paint another 75 square feet of that wall, he will have finished three-quarters of the job. What is the length (the horizontal dimension) of the wall?
Given that hight of the wall is 10 m
Let Base of the wall is x m
Area of wall is 10x sq m
ATQ= According to the question
(3/4-1/3) part of wall =75 sq m
So, 1 part of wall = 180 sq m
Rectangular base of the wall is 180/10=18 m
Ans. 18 m
12m + 12y
প্রশ্নঃ An item costs 90% of its original price. If Tk. 90 is added to the discount price, the cost of the item will be equal to its original price. What is the original price of the item?
Let original cost price is 100%
Item cost peice is 90%
Ans. 900 TK
প্রশ্নঃ A sales representative will receive a 15% commission on a sale of Tk. 28,000. If she has already received Tk. 1500 as an advance of that commission, how much more is due on the commission?
প্রশ্নঃ Three business partners Q, R, and S, agree to divide their total profit for a certain year in the ratios 2 : 5 : 8, respectively. If Q's share was Tk. 4000, what was the total profit of the business partners for the year?
12m + 12 y
Tk. 39 and Tk. 41
Tk. 40 and Tk. 42
Tk. 38 and Tk. 40
Tk. 37 and Tk. 39
প্রশ্নঃ A restaurant meal costs Tk. 35.50 and there was no tax. If the tip was more than 10 percent but less than 15 percent of the cost of meal, then the total amount paid must have been between --
প্রশ্নঃ Hashem wants to put up fencing around three sides of his rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does he need?
প্রশ্নঃ In a weight-lifting competition, the total weight of Joe's two lifts was 750 pounds. Twice the weight of his first lift was 300 pounds more than the weight of his second lift. What was the weight, in pounds, of his first lift?
প্রশ্নঃ A union contract specifies a 6 percent salary increase plus a Tk. 450 bonus for each employee. For a certain employee, this is equivalent to 8 percent salary increase. What was this employee's salary before the new contract?
প্রশ্নঃ A business firm reduces the number of hours its employees work from 40 hours per week to 36 hours per week while continuing to pay the same amount of money. If an employee earned x taka per hour before the reduction in hours, how much does he earn hour under the new system?
c = (5+2.25)r
c=5 + (5-2.25)r
প্রশ্নঃ The total cost of a bouquet of roses at a flower shop depends on the number of roses ordered. The vase costs Tk. 5 and each rose costs Tk. 2.25. Which equation can be used to find c, the total cost of a bouquet with r roses?
None of the above
প্রশ্নঃ Karim can buy single poster boards for 80 paisa each or a package of 12 poster boards for Taka 7.50. How much more (in Taka) would Karim have to pay for 3 dozen poster boards if he buys them individually than if he buys them in packages?