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Subject Mathematics
2201. A student has to obtain 33% of the total marks to pass. He got 125 marks and failed by 40 marks. The maximum marks are
2202. A tradesman sold and article at a loss of 20%. If the selling price had been increased by Tk. 100, there would have been again of 5%. What was the cost price of the article?
2204. The percentage profit earned by selling an article for Tk. 1920 is equal to the percentage loss incurred by selling the same article for Tk. 1280. At what price should the article be sold to make 25% profit?
2212. The length of a rectangular plot is 60% more than its breath. If the difference between the length and the breadth of the rectangle is 24 cm, what is the area of that rectangle?
2217. ঈদের সময় একটি জামা নির্মাতা ২০% লাভে খুচরা বিক্রেতার কাছে বিক্রি করলো। খুচরা বিক্রেতা আবার জামাটি ক্রেতার কাছে ২০% লাভে বিক্রয় করল। যদি ঐ জামাটির নির্মাণ খরচ ১০০ টাকা হয়, খুচরা মূল্য কত টাকা?
2221. Laboni bought a 1-year, Tk. 10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?
2222. The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?
2224. The cost, in taka, of manufacturing x microwaves is 6000 + 300 x taka. The amount received when selling these x microwaves is 700 x taka. What is the least number of microwaves that must be manufactured and sold so that the net profit is Tk. 2400?
2225. The larger of two numbers exceeds twice the smaller number by 9. The sum of twice the large and 5 times the smaller number is 74. If a is the smaller number, which equation below determines the correct value of a?