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?
A box contains 10 balls, some are red and some are black . Each of the following could be the ratio of the red to black balls except-
If 3 is added to both numerator and denominator of a fraction , it becomes 5/7. If 9 is subtracted from both numerator and denominator, it becomes 1/3. What is the fraction ?
The length of a rectangle is 6 cm , and its perimeter is 16 cm. What is the area of the rectangle is square centimeters ?
The receptionist at a veterinary clinic reviewed the office records and found that 3 out of every 8 animals treated at the clinic during the last 4 months were cats. At this rate, how many cats will be treated during the next 12 weeks if a total 288 animals are treated ?
a + 1a = 3 হলে, a2 + 1a2= কত?
যদি x + 1x = 5 হয়, তবে xx2 + x + 1এর মান কত?
3
৫
৪
2