1
WB JEE 2020
MCQ (More than One Correct Answer)
+2
-0
Change Language
A and B are independent events. The probability that both A and B occur is $${1 \over {20}}$$ and the probability that neither of them occurs is $${3 \over {5}}$$. The probability of occurrence of A is
A
$${1 \over {2}}$$
B
$${1 \over {10}}$$
C
$${1 \over {4}}$$
D
$${1 \over {5}}$$
WB JEE 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