Advertisements
Advertisements
प्रश्न
A dice is rolled once. What is the probability that the number on top will be a factor of 36
उत्तर
A dice is rolled once, the possible outcomes are 1, 2, 3, 4, 5 and 6.
Then,
The probability that the number on top will be
Factors of 36 are 1, 2, 3, 4 and 6
Probability = `"Total number of factor of 36"/"Total number of outcomes"`
= `5/6`
APPEARS IN
संबंधित प्रश्न
A box consists of 100 shirts of which 88 are good, 8 have minor defects and 4 have major defects. Ramesh, a shopkeeper will buy only those shirts which are good but 'Kewal' another shopkeeper will not buy shirts with major defects. A shirt is taken out of the box at random. What is the probability that
(i) Ramesh will buy the selected shirt?
(ii) 'Kewal' will buy the selected shirt?
From the same place at 7 a.m. A started walking in the north at a speed of 4 km/hr. after 1 hour, B started cycling in the east at a speed of 8 km/hr. at what time will they be at a distance of 20 km apart from each other?
A die is thrown once. Find the probability of getting.
(a) a prime number.
(b) an odd number
A coin is tossed. What is the probability of getting:
a head?
Three identical coins are tossed together. What is the probability of obtaining:
exactly one head?
From 10 identical cards, numbered 1, 2, 3, ……, 10, one card is drawn at random. Find the probability that the number on the card drawn is a multiple of
2 and 3
The total number of outcomes when a coin is tossed is ______.
If a pair of coins is tossed, then the number of outcomes are 2.
The probability of getting number 6 in a throw of a dice is `1/6`. Similarly the probability of getting a number 5 is `1/5`.
Sonia picks up a card from the given cards.
Calculate the probability of getting an odd number