Multiple Choice Question: 3^n - 3^{n - 1} - 3^{n - 2} is equal to:

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More Old MCQ

Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.

The total number of diagonals of an N-gon is 77, then what is N?
How is the dry density of a soil related to its density at full saturation? $\rho_w$ is the density of water, $n$ is the porosity and $e$ is the void ratio.
Albert and Bryan can do a certain task if both work together 3 days and Albert then works alone 1 day.
A circle having a radius of 18 cm is cut by a chord 5 cm from the center. What is the area of the of the smaller segment?
What does the bearing N 25o W mean?
A sphere is circumscribing a cubical box having a volume of 8000 cm3. Compute the volume of the space between the cubical box and the sphere.
A cube is 6 inches in edge. A cutting plane is passed through the midpoint of three adjacent edges. Find the volume of the smaller solid.
Find the 6th term of $1, ~ 2, ~ 5, ~ ... \, , ~ \frac{1}{2}(1 + 3^{n - 1})$.
Solve for x if log8 (x - 6) + log8 (x + 6) = 2.
Going against the wind, a domestic plane can travel 5/8 of the distance it can travel in one hour if it is going with the wind. If the plane can fly 300 kilometers an hour in calm air, what is the velocity of the wind?
The sum of thirteen consecutive integers is zero. What is the smallest integer?
Studies have shown that 72.5% of apprehended snatchers in Metro Manila are drug users. In a random sample of 16 apprehended snatchers, what is the probability that exactly 10 of them are drug users?
dYv94eu-3 The temperature when the volume is 2.625 liters.
If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now?
Find x if the point (x, 2) is equidistant from (3, 2) and (7, 2).

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