Multiple Choice Question: Given a small tube of diameter $d$ placed straight up into a liquid with unit weight $\gamma$, surface tension $\sigma$, and contact angle $\theta$ with the walls of the tube, find the capillary rise $h$ of the liquid in the tube.

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

A student received grades of 72, 75, and 78 on three tests. What must her score in the next test be for her to have an average grade of 80 for all four tests?
$\sqrt[m]{\sqrt[n]{x}}$ could be expressed as…
Find the area enclosed by the curve $r^2 = 64 \cos 2\theta$.
A man and his wife invite 8 of their friends to a dinner. They are to be seated around a round table. How many arrangements can be made if the man and his wife are to sit side by side?
Point P has cylindrical coordinates of (8, 30deg, 5). Find the value of x in the Cartesian coordinates.
Aljur owns a 24mm prime camera lens worth P10,000. He sell it to Brandon at a 10% profit based on the worth of the lens. Brandon sells the lens back to Aljur at a 10% loss. Then:
A Toyota Tamaraw FX leaves a certain station at noon, traveling due north at 40 kph.
Simplify and solve for y: $y = \ln \left( \dfrac{e^x}{e^{x - 1}} \right)$.
What time after 3:00 o’clock would the hour-hand and the minute-hand of a continuously driven clock subtends an angle of 45° for the second time?
Find the area reflected by the triangle ABC on the xy-plane with A(1, 10, 10), B(6, 2, 4) and C(12, 6, 1).
Amy can walk 4 km in the time it takes Baron to walk 5 km. Amy requires 3 minutes longer than Baron to walk a kilometer. Find the rate of Amy.
In a bowling game, how many ways can the 10 pins fall in the first throw?
If one third of the air in the tank is removed by each stroke of an air pump, what part of the total air will be removed in 6 strokes?
A man and a boy can do in 15 days a piece of work which could be done by 7 men and 9 boys in 2 days.
The value of $x$ in the equation $\log_{10} (x^2 - 15x) = 2$ are: