1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

In a certain two $$65 \%$$ families own cell phones, 15000 families own scooter and $$15 \%$$ families own both. Taking into consideration that the families own at least one of the two, the total number of families in the town is

A
20000
B
30000
C
40000
D
50000
2
KCET 2020
MCQ (Single Correct Answer)
+1
-0

If $$n(A)=2$$ and total number of possible relations from Set A to set B is 1024, then $$n(B)$$ is

A
512
B
20
C
10
D
5
3
KCET 2020
MCQ (Single Correct Answer)
+1
-0

If $$A=\{1,2,3,4,5,6\}$$, then the number of subsets of A which contain at least two elements is

A
64
B
63
C
57
D
58
4
KCET 2020
MCQ (Single Correct Answer)
+1
-0

If a relation $$R$$ on the set $$\{1,2,3\}$$ be defined by $$R=\{(1,1)\}$$, then $$R$$ is

A
Reflexive and symmetric
B
Reflexive and transitive
C
Symmetric and transitive
D
Only symmetric
KCET Subjects
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