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 ?
At the rate of m meters per s seconds, how many meters does a cyclist travel in x minutes ?
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 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 teachers ?
If two non-zero positive integers p and q are such that p=4q and p<8, then q= ?
A certain river has a current of 3 miles per hour. A boat takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. What is the speed of the boat in still water ?
If the volume of a cube is 27 cubic meters, find the surface area of the cube .
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 the net profit is Tk 2400 ?
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 equation below determines the correct value of a ?
If the annual expenditure of family A on health is x and that of family B is y, then which of the following relations is true ?
Which set of numbers is like the given set [48,24,12] ?
[46,22,11]
[44,22,10]
[42,20,10]
[40,20,10]
[20,5,2]
What percentage of family C's income was spent on housing and entertainment ?
what is the average monthly expenditure of family A on food?
What is the area of the equilateral traiangle if the base BC =6 ?
In the figure, what is the value of a?
which of the following describes all values of x for which 1 -x2≥0?
Of 30 applicants for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree ?
Find the probability of selecting a prime number from a set numbers 1 to 15 (both inclusive)