Although City A produces three times as much power as City B does, the cities produce and equal amount of power from coal fired power plants. If M% of City A’s power comes from coal fired power plants then in terms of M what percent of City B’s power comes from coal fired power plants?
GMAT Question of the Day – Word Problem – April 18th Read the Full Article »
A—————B—————C—————D—————E If the letters on the number line above are equally spaced and the values of D and E are \[ 10^{-25} \] and \[ 10^{-24} \] respectively then what is the value of A? A. \[ -26*10^{-25} \] B. \[ -18*10^{-22} \] C. \[ 10^{-28} \] D. \[ -8 \] E. \[ -10 \]
GMAT Question of the Day – Exponents – April 17th Read the Full Article »
The perimeters of square region Z and triangular region S are in a ratio of 1:2. If all the sides of triangular region S are equal then what is the ratio of the area of square region Z to the area of triangular region S? A. \( \frac{5}{16\sqrt{2}} \) B. \( \frac{7}{15\sqrt{2}} \) C. \(
GMAT Question of the Day – Geometry – April 15th Read the Full Article »
At all Happy Child daycare centers, the ratio of the number of adults to the number of children must always be greater than 5:62. What is the maximum number of children at a Happy Child daycare center that has 7 adults? A. 66 B. 67 C. 85 D. 86 E. 87 Solution:
GMAT Question of the day – Ratios – April 14th Read the Full Article »
A lock company will be installing a new security system with a 3 digit code made up of the numbers 0, 2, 4, 5, and 6. If the numbers cannot be repeated and the first digit of the code cannot be zero then what is the probability that the code will be divisible by 5?
GMAT Question of the Day – Probability – April 11th Read the Full Article »