A student has 5 courses to take from Mathematics and phys...
A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics?
48
12
10
7
Correct answer is B
Mathematics = \(^{4} C_{3} = 4\)
Physics = \(^{3} C_{2} = 3\)
\(\therefore\) He can choose in 4 x 3 = 12 ways.
Factorize 2e\(^2\) - 3e + 1 ...
Evaluate log106 + log1045 - log1027 without using logarithm tables...
If x = 3 and y = -1, evaluate 2(x\(^2\) - y\(^2\))...
In the figure, YXZ = 30o, XYZ = 105o and XY = 8cm. Calculate YZ...
Solve for r in the following equation \(\frac{1}{r - 1}\) + \(\frac{2}{r + 1}\) = \(\frac{3}{r}\)...
Determine the value of x in the figure ...
If the volume of a hemisphere is increasing at a steady rate of 18π m\(^{3}\) s\(^{-1}\), at what...