Sub 505 (Easy)
There are 4 more women than men on Centervilleâs board of education. If there are 10 members on the board, how many are women?
Sub 505 (Easy)
A rope 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other, what is the length, in feet, of the shorter piece?
555-605 (Medium)
In an increasing sequence of 10 consecutive integers, the sum of the first 5 integers is 560. What is the sum of the last 5 integers in the sequence?
505-555 (Easy)
â 16 * 20 + 8 * 32 = 16 * 20 + 8 * 32 â â â â â â â =
Sub 505 (Easy)
The average (arithmetic mean) of 10, 30, and 50 is 5 more than the average of 20, 40, and
Sub 505 (Easy)
For which of the following values of n is (100+n)/n NOT an integer?
605-655 (Medium)
A rainstorm increased the amount of water stored in State J reservoirs from 124 billion gallons to 138 billion gallons. If the storm increased the amount of water in the reservoirs to 82 percent of total capacity, approximately how many billion gallons of water were the reservoirs short of total capacity prior to the storm?
Sub 505 (Easy)
If 2 1 + 2 y = 1 , then y =
Sub 505 (Easy)
1 â (1 2 â 2 3) =
Sub 505 (Easy)
Of the following, which is the closest approximation of 50.2*0.49/199.8
Sub 505 (Easy)
A studentâs average (arithmetic mean) test score on 4 tests is 80. What must be the studentâs score on a 5th test for the studentâs average score on the 5 tests to be 82?
Sub 505 (Easy)
(0.3) 5 (0.3) 3 =
Sub 505 (Easy)
If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of z-x?.
Sub 505 (Easy)
If the average (arithmetic mean) of the four numbers K, 2K + 3, 3K â 5 and 5K + 1 is 63, what is the value of K?
Sub 505 (Easy)
If x = -3, what is the value of -3x^2 ?
505-555 (Easy)
If the two digit integers M and N are positive and have the same digits, but in reverse order, which of the following cannot be the sum of M and N?
Sub 505 (Easy)
7 1 5 + 5 1 7 =
Sub 505 (Easy)
(7 â + 7 â) 2 (7 + 7) 2
Sub 505 (Easy)
If stock is sold three months after it is purchased, the formula above relates p, d, s, and r, where p is the purchase price of the stock, d is the amount of any dividend received, s is the selling price of the stock, and r is the yield of the investment as a percent. If Rose purchased 400worthofstockreceiveda5 dividend and sold the stock for $420, for three months after purchasing it, what was the yield of her investment, according to the formula? (Assuming she paid no commissions.)
Sub 505 (Easy)
The earth travels around the sun at a speed of approximately 18.5 miles per second. The approximate speed is how many miles per hour?