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Mathematics
List of top Mathematics Questions asked in COMEDK UGET
The solution of the differential equation \( x \frac{dy}{dx} = \cot y \) is
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Limits
If \( \sin A + \sin B = a \) and \( \cos A + \cos B = b \), then \( \cos(A + B) \) equals?
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Limits
If A, B, and C are three mutually exclusive and exhaustive events such that \( P(A) = 2P(B) = 3P(C) \). What is \( P(B) \)?
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Probability
If the probability for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fail is.
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Probability
What is \( \frac{\cos \theta}{1 - \tan \theta} + \frac{\sin \theta}{1 - \cot \theta} \) equal to?
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Limits
Five persons A, B, C, D and E are in queue at a shop. The probability that A and B are always together is.
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Probability
Find the general solution of \( \sin 2x + \cos x = 0 \).
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Limits
If \( f(x) + 2f(1 - x) = x^2 + 5 \) for all real values of \( x \), then \( f(x) \) is given by:
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Limits
Three vertices are chosen randomly from the seven vertices of a regular 7-sided polygon. The probability that they form the vertices of an isosceles triangle is.
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Probability
Evaluate $\left[i^{22} + \left(\dfrac{1}{i}\right)^{25}\right]^3$
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Limits
The point \( (-3, -2) \) lies
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Determinants
If \( U_{n+1} = 3U_n - 2U_{n-1} \) and \( U_0 = 2, U_1 = 3 \), then \( U_n \) is equal to
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Sequence and series
If \( 4^n + 15n + P \) is divisible by 9 for all \( n \in \mathbb{N} \), then the least negative integral value of \( P \) is
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Sequence and series
\( (2^{3n} - 1) \) is divisible by
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Sequence and series
If \( S = \frac{2^2 - 1}{2} + \frac{3^2 - 2}{6} + \frac{4^2 - 3}{12} + \ldots\) \text{ upto 10 terms, then S is equal to
}
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Sequence and series
The maximum of \( Z \) is where, \( Z = 4x + 2y \) subject to constraints
\[ 4x + 2y \geq 46, \quad x + 3y \leq 24, \quad x, y \geq 0 \]
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Determinants
\( \sum_{n=1}^{m} n \cdot n! \) is equal to
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Sequence and series
The first and fifth terms of an A.P. are -14 and 2 respectively and the sum of its $n$ terms is 40. The value of $n$ is
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Sequence and series
Maximum value of \( z = 12x + 3y \), subject to constraints \( x \geq 0, y \geq 0, x + y \leq 5 \) and \( 3x + y \leq 9 \) is
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Determinants
The equation of the pair of angle bisectors of the line \( x^2 - 4xy - 5y^2 = 0 \) is:
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Determinants
The distance of point \( (1, 2) \) from line \( x + y + 2 = 0 \) measured along the line parallel to \( 2x - y = 5 \) is equal to:
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Determinants
If \( \theta \) be the angle between the vectors \( a = 2\hat{i} + 2\hat{j} - \hat{k} \) and \( b = 6\hat{i} - 3\hat{j} + 2\hat{k} \), then
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Vectors
If \( x, y \) and \( z \) are non-zero real numbers and \( a = x\hat{i} + 2\hat{j}, b = y\hat{j} + 3\hat{k} \) and \( c = x\hat{i} + y\hat{j} + z\hat{k} \) are such that \( a \times b = z\hat{i} - 3\hat{j} + \hat{k} \), then \( [abc] \) is equal to
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Vectors
The slope of lines which makes an angle \( 45^\circ \) with the line \( 2x - y = -7 \)
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Determinants
If \( p = \hat{i} + \hat{j}, q = 4\hat{k} - \hat{j} \) and \( r = \hat{i} + \hat{k} \), then the unit vector in the direction of \( 3p + q - 2r \) is
COMEDK UGET - 2022
COMEDK UGET
Mathematics
Vectors
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