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3^n - 3^{n - 1} - 3^{n - 2} is equal to:
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 coefficient of curvature of a soil is defined as
A closed conical tank has a base diameter of 2 m and is 5 m tall. When standing in upright position, the water in the tank is 3 m deep. How deep will the water stand in the tank when in inverted position?
A system of streamline and orthogonal lines which show the idealized flow pattern for a given system of boundaries.
jPxd93H-1 Find the magnitude of the sum $\mathbf{A} + \mathbf{B}$
XPpFh97-2 The reaction at the inclined side.
How many 3-digit numbers greater than 300 can be made out from digits 0, 1, 2, 3, 4, 5, and 6 if repetition of digit is not allowed?
Spherical degree is a unit of a spherical area taken as 1/720 of the surface of the sphere. How many spherical degrees hemispheres have?
Three times Dick's age plus Tom's age equals twice Harry's age. Double the cube of Harry's age is equal to three times the cube of Dick's age added to the cube of Tom's age. Their respective ages are relatively prime to each other. How old is Harry?
It is the term used in the case of pipe flowing under pressure, it is the circumference of the circular section, while in the case of a rectangular open channel flow, it is the sum of the base and the two sides.
A hole 10 inches in diameter is to be punched out from a sphere having a diameter of 16 inches. Determine the volume punched out if the center of the hole is along the diameter of the sphere.
Solve for x if $\dfrac{e^x + e^{-x}}{2} = 1$.
Find the capacity of a conical vessel that is made from a semi-circular tin of radius 2.5 m.
Xoc9dHk-2 How much work is done in winding-up the full length of the chain?
A spherical zone of one base of height $h$ is cut from a sphere of radius $r$. What is the volume of the zone?
To make lemonade, a recipe requires 4 lemons, 30 ounces of sugar, and 2 pints of water. One can squeeze out 0.4 cups of 5% citric acid from an average lemon.
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