KCET 2025 Maths Answer Key: The Karnataka Examination Authority (KEA) held the KCET Mathematics 2025 examination today, April 17, 2025. The examination was held from 10:30 to 11:50 AM. The KCET 2025 Mathematics Question paper had a weightage of 60 marks. The examination was held in Paper-Based Test (PBT) mode. Students who appeared for the examination and are eager to estimate their performance can check the unofficial KCET 2025 Maths Answer Key available here.
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KCET 2025 Maths Answer Key
The KCET Mathematics 2025 questions and answers are given in the table below.
| KCET 2025 Maths Questions | KCET 2025 Maths Answer Key |
|---|---|
| Question 1: If a matrix A= |1,1| |1,1| satisfies A 8 = k A 1 , then the value of k is | 1 |
| Question 2: If A= |k,2| |2,k| |A 3| =125, then the value of k is | ± 3 |
| Question 3: If A is a square matrix satisfying the equation A 2 -5A + 7l = 0 where I is the identity matrix and 0 is null matrix of same order, then A -1 | 1/7 (5l- A) |
| Question 4: If A is a square matrix of order 3 x 3, det A =1, then the value of det (3A -1 ) is | 9 |
| Question 5: If B-= | 1, 3| |1, A| be the adjoint of a matrix A and |A| =2, then the value of a is | 5 |
| Question 6: The system of equatlons 4x + 6y= 5 and 8x + 12y = l0 has | Infinitely Many Solutions |
| Question 7: If a= i + 2j +k, b= i -j + 4k and c = i +j + k are such that a + λb is perpendicular to c. then the value of is | Zero |
| Question 8: If |a| = 10, |b| = 2, and a,b = 12, then the value of |a x b| is | 16 |
| Question 9: Consider the following statements: Statement (I): If either |a| =0 or |b| = 0, then a,b =0. Statement (II): If a x b = 0, then a is perpendicular to b. Which of the following is correct? (1) Both Statement (I) and Statement (II) are false (2) Statement (I) is true, but Statement (II) is false (3) Statement (I) is false, but Statement (I) is true (4) Both Statement (1I and Statement (II) are true |
Statement (I) is true but Statement (II) is false |
| Question 10: If a line makes angles 90, 60, and θ with x. y and z are respectively, where θ is acute, then the value of θ is | π/6 |
| Question 11: The equation of the line through the point (0, 1, 2) and perpendicular to the line x-1/2 = y+1/3 = z-1/-2 is | x/-3 = y-1/4 = z-2/3 |
| Question 12: A line passes through (-I, -3) and is perpendicular to x + 6y = 5. Its x-intercept is | -1/2 |
| Question 13: The length of the latus rectum of x 2 + 3y 2 = 12 is | 4√3 units |
| Question 14: Which of the following is not correct? | sin 2π = (sin - 2π) |
| Question 15: If cos x + cos 2 x =1, then the value of sin 2 x + sin 4 x is | 0 |
| Question 16: The mean deviation about the mean for the data 4, 7. 8,9, 10, 12. 13, 17 is | 8.5 |
| Question 17: A random experiment has given 5 outcomes... | 1/12 |
| Question 18: A die has two faces each with number '1', three faces each with number '2' and one face with number '3'. If the die is rolled once, then P(1 or 3) is | 1/3 |
| Question 19: Let A = {a, b, c}, then the number of equivalence relations on A containing (b, e) is | 4 |
| Question 20: Let the functions "f" and "g"... | Both Statements I and II are true |
| Question 21: sec 2 (tan -1 2) + cosec 2 (cot -1 3) = | 1 |
| Question 22: 2 cos -1 x sin -1 (2x √1 - x 2 ) is valid for all values of 'x' satisfying | 0 < x < 1/√2 |
| Question 23: Consider the following statements: Statement (I): In a LPP, the objective function is always linear. Statement (II): In a LPP, the linear inequalities on variables are called constraints. Which of the following is correct? (1) Statement (I) is true, Statement (II) is false (2) Both Statements (I) and (II) are false (3) Statement (I) is false, Statement (II) is true (4) Statement (I) is true, Statement (II) is true |
Statement (I) is true, Statement (II) is true |
| Question 24: The maximum value of z= 3x +4y, subject to the constraints x + y < 40, x + 2y < 60 and x, y, >0 is | 140 |
| Question 25: Consider the following statements. Statement (I): If E and F are two independent events, then E' and F' are also independent. 4/14 Statement (II): Two mutually exclusive events with non-zero probabilities of occurrence cannot be independent. Which of the following is correct? (1) Statement (I) is false and statement (II) is true (2) Both the statements are true (3) Both the statements are false (4) Statement (I) is true and statement (II) is false |
Both the statements are true |
| Question 26: If A and B are two non-mutually exclusive events such that P (A|B) = P (B|A), then | A ∩ B = + |
| Question 27: Meera visits only one of the two temples A and B, in her locality. Probability that she visits temple A is 2/5, If she visits temple A, 1/3 is the probability that she meets her friend, whereas it is 2/7 if she visits temple B. Meera met her friend at one of the two temples. The probability that she met her at Temple B | 3/16 |
| Question 28: Consider the following statements | Statement I is false but Statement II is true |
| Question 29: The number of our digit even numbers that can be formed using the digits 0, I. 2 and 3 without repetitions | 10 |
| Question 30: The number of diagonals that can be drawn in an octagon is | 15 |
| Question 31: If the number of terms in the binomial expansion of (2x + 3) 3n is 22, then the value of n is | 9 |
| Question 32: If 4th, 10th and 16th terms of a G.P. are x, y and z respectively, then | y = √xz |
| Question 33: If A is a square matrix such that A 2 = A, then the (1-A ) 3 'is | 1 + A |
| Question 34: If A and B are two matrices such that AB k an identity matrix and the order of matrix B is 3 x 4, then the order of matrix A is | 3 x 4 |
| Question 35: Which of the following statements is not correct? (1) A diagonal matrix has all diagonal elements equal to zero (2) A symmetric matrix A is a square matrix satisfying A' = A. (3) A skew-symmetric matrix has all diagonal elements equal to zero (4) A row matrix has only one row |
A diagonal matrix has all diagonal elements equal to zero |
| Question 36: If |a| = 10.... | 16 |
| Question 37: Consider the following statements...(I) If either |a| = 0.... | Statement I is true but Statement II is false |
| Question 38: If Z 1 and Z 2 are two non-zero complex numbers, then which of the following is not true? | Option B |
| Question 39: Lim x--->I | 0 |
| Question 40: If y= cos x/ 1 + sin x, then | Both a nd c are correct |
| Question 41: Match the following. |s| .... | a-iii, b -ii, c - iv, d -i |
| Question 42: The function f[x)..... | a =3, b= 1 |
| Question 43: f (x) = e ^1-x..... | continuous at x =0 |
| Question 44: If y=a sin ^3 t.... | 1 |
| Question 45: The derivative of sin x with respect to log x in | cos x/x |
| Question 46: The minimum value of 1 -sin x is | 1 |
| Question 47: The function f(x) = tan x - x | never increases |
| Question 48: The value of ∫dx/(x+1) (x+2) | log |(x+1)/ (x+2)|+C |
| Question 49: The value of ∫Sin ^5 x.... | 0 |
| Question 50: The value of ∫√1+Sin (x/2).... | 0 |
| Question 51: ∫dx/x2.... | ((x4+1)/x4)^4 |
| Question 52: ∫log (1/x+1)... | log(1/2) |
| Question 53: The area bounded by the curve y = sin (x/3), x axis, the lines x = 0 and x = 3π is | 3 sq. units |
| Question 54: The area of the region bounded by the curve y= x 2 and the line y = 16 is | 64/3 sq units |
| Question 55: The General solution of the differential equation dy/dx + y tan x =sec x is | y sec x= tan x + c |
| Question 56: If a and b are order and degree... | 1 |
| Question 57: The distance of the point P(-3,4,5) from the yz plane is | 3 units |
| Question 58: If A{x:x.... | (2, 3, 4) |
| Question 59: A and B are 2 sets having 3 and 6 elements respectively.... | Statement I is true Statement II is false |
| Question 60: Domian of the function f... | f (π /2) = 1 |
Candidates must note that the above available KCET 2025 Maths Answer Key is taken from the Collegedekho website.
KCET 2025 Maths Answer Key: PDF Link
The PDF link to download the KCET unofficial Maths Answer Key 2025 is given in the table below.
| KCET 2025 Maths Answer Key PDF Link (to be added) |
Candidates must note that the KCET Mathematics Answer Key 17 April 2025 available here is only for reference and is completely unofficial. KEA will release the KCET 2025 Provisional Answer Key soon after the exam concludes. Visit the official website of the Karnataka Examination Authority (KEA) for more information.
KCET Expected Marks vs Rank 2025
|
165 Marks |
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