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Solve for
x
from $7^{2x - 1} = 3^{x + 1}$.
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More Old MCQ
Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.
Find the equation of the line through (4, 7) and passing at a distance of 1 unit from the origin.
A coin is so unbalanced that it may come both heads in 2 tosses as it may come tails in a single toss. What is the probability of getting a head in a single toss?
Car A drives East at 20 kph at half an hour earlier than car B that started at the same point at 50 kph. How long will car B overtakes car A, in minutes?
Two triangles have equal bases. The altitude of one triangle is 3 units more than its base while the altitude of the other is 3 units less than its base. If the areas of the triangles differ by 21 square units, find the altitude of the smaller triangle.
k2X6fTJ-3 Find the capacity of the tank in liters.
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?
Find the sum of the coefficient of the variables in the expansion of $(2x + 4y - 3)^5$.
Evaluate the $\tan (\arctan 3 - \arctan 2)$.
A lead pencil whose ends are regular hexagons was cut from a cylindrical piece of wood with the least waste.
dYv94eu-3 The temperature when the volume is 2.625 liters.
A truth serum given to a suspect is known to be 90% reliable when the person is guilty and 99% reliable when the person is innocent.
If $a\geqslant b$, then $a \nless b$. This is true by which property?
Let $f(x)=\sin x - \cos x$. Find the 2021st derivative of $f$.
Without the use of calculator, solve for y if $\ln y = \frac{1}{2}\ln 4 + \frac{2}{3} \ln 8$.
Find the radius of the circumscribing circle of the regular octagon having an area of 320 cm2.
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