1
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A random experiment has five outcomes $\mathrm{w}_1, \mathrm{w}_2, \mathrm{w}_3, \mathrm{w}_4$ and $\mathrm{w}_5$. The probabilities of the occurrence of the outcomes $w_1, w_2, w_3, w_4$ and $w_5$ are respectively $\frac{1}{6}, a, b$ and $\frac{1}{12}$ such that $12 a+12 b-1=0$. Then the probabilities of occurrence of the outcome $w_3$ is

A
$\frac{2}{3}$
B
$\frac{1}{3}$
C
$\frac{1}{6}$
D
$\frac{1}{12}$
2
KCET 2025
MCQ (Single Correct Answer)
+1
-0

A die has two face each with number ' 1 ', three faces each with number ' 2 ' and one face with number ' 3 '. If the die is rolled once, then $\mathrm{P}(1$ or 3$)$ is

A
$\frac{2}{3}$
B
$\frac{1}{2}$
C
$\frac{1}{3}$
D
$\frac{1}{6}$
3
KCET 2025
MCQ (Single Correct Answer)
+1
-0

$$ \text { Let } A=\{a, b, c\} \text {, then the number of equivalence relations on A containing }(b, c) \text { is } $$

A
1
B
3
C
2
D
4
4
KCET 2025
MCQ (Single Correct Answer)
+1
-0

Let the functions " f " and " g " be $\mathrm{f}:\left[0, \frac{\pi}{2}\right] \rightarrow \mathrm{R}$ given by $\mathrm{f}(\mathrm{x})=\sin \mathrm{x}$ and $\mathrm{g}:\left[0, \frac{\pi}{2}\right] \rightarrow \mathrm{R}$ given by $g(x)=\cos x$, where $R$ is the set of real numbers

Consider the following statements:

Statement (I): $f$ and $g$ are one-one

Statement (II): $\mathrm{f}+\mathrm{g}$ is one-one

Which of the following is correct?

A
Statement (I) is true, statement (II) is false
B
Statement (I) is false, statement (II) is true
C
Both statements (I) and (I) are true
D
Both statements (I) and (II) are false
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12