Time Left - 15:00 mins

GATE 2019 Engineering Mathematics Quiz 9 (App update required to attempt this test)

Attempt now to get your rank among 588 students!

Question 1

Two coins are tossed simultaneously. The probability (upto two decimal points accuracy) of getting at least one head is _______

Question 2

The events A₁ and A₂ occur with probabilities 0.6 and 0.8 respectively. At least one of them occurs with a probability of 0.9. The probability that both A₁ and A₂ will occur is ____.

Question 3

The probability of obtaining at least two “SIX” in throwing a fair dice 4 times is

Question 4

A box contains 5 black and 5 red balls. Two balls are randomly picked one after another from the box, without replacement. The probability for both balls being red is

Question 5

Three companies, X, Y and Z supply computers to a university. The percentage of computers supplied by them and the probability of those being defective are tabulated below.

Given the computer is defective, the probability that it was supplied by Y is:

Question 6

There are 3 fair coins and 1 false coin with tails on both sides. A coin is chosen at random and tossed 4 times. If ‘tails’ occurs in all 4 times, then the probability that the false coin has been chosen for tossing is ___.

588 attempts
1 upvote
5 comments

Tags :

ESE & GATE CE Engineering Mathematics

Jun 19ESE & GATE CE