At the rate of m meters per s seconds, how many meters does a cyclist travel in x minutes?
The persent ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the 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 teacher?
The cost, in taka, of manufacturing x microwaves is 6000+300x taka. The amount received when selling these x microwaves is 700x taka. What is the least number of microwaves that must be manufactured and sold so that net profit is Tk. 2,400?
The larger of two numbers exceeds twice the smaller number by 9. The sum of twice the larger and 5 times the smaller number is 74. If a is the smaller number, which eqution below determines the correct value of a ?
In the figure, what is the value of a?
Find the probability of selecting a prime number from a set of number 1 to 15 (both inclusive).
If 4% of (P+Q) are 8 and P is a positive, what is the greatest possible value of Q?
Which of the following describes all values of x for which 1-x2≥0?
In the figure,circle P has diameter 2 and circle Q gas diameter 1. What is the area of the shaded region ?
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 his certificate at maturity?