১২৫৬১
If an investment of P dollars is made today and the value of the investment doubles every 7 years, what will be the value of the investment, in dollars 28 years from today?
উত্তর
16P
১২৫৬২
The greatest of the 21 positive integers in a certain list is 16. The median of the 21 integers is 10. What is the least possible average (arithmetic mean) of the 21 integers ?
উত্তর
6
১২৫৬৩
Of the students in a school, 20 percent are in the science club and 30 percent are in the band. If 25 percent of the students in the school are in the band but are not in the science club, what percent of the students who are in the science club are not in the band?
উত্তর
75%
১২৫৬৫
What is the median of the modes in the dataset {-5, 4, 3, 7, 2, 1, 3, 4, 5,-1, 7, 8, -4, 2, 6}?
উত্তর
3.5
১২৫৬৬
The average of x and y is 7, and z = 3x + 2. What is the average of y and z?
উত্তর
x + 8
১২৫৬৮
The base of a rectangle is three times as long as the height. If the perimeter is 64, what is the area of the rectangle?
উত্তর
192
১২৫৬৯
A sphere is created with half the radius of the original sphere. What is the ratio of the volume of the original sphere to the volume of the new sphere?
উত্তর
8 : 1
১২৫৭০
Five people want to rent the last two copies of a movie. How many ways can these five people rent the two movies?
উত্তর
10