MEDIUM
CAT
IMPORTANT
Earn 100

The odds against an event are 3 to 4 and the odds in favour of another independent event are 2 to 5 . The probability that exactly one of them occurs is

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Important Questions on X+2 Maths

HARD
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 18
The odds against an event are 3 to 4 and the odds in favour of another independent event are 2 to 5. What is the probability that at least one of them can occur?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 19
Chunmun picks a letter from the set of English alphabet and finds it to be a vowel. What is the probability that the letter is E?
HARD
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 20
There are 3 red, 3 blue, and 3 green balls. What is the probability that out of 3 selected balls 2 are red?
HARD
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 21
In the horse race, the horse Exaclibur's chances of winning are 16, the horse Noorjehan's chances are 110, and those of the horse Bombay are 18. If the race starts with twelve horses and only one horse wins, then what are the chances that one of these three horses will win?
HARD
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 22
If a year has 360 days and all the months with 30 days. What is the probability that your birthday falls on a Monday and that is an even day of an even month, given that January 1 is a Monday?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 23
If 4 whole numbers are taken at random, and multiplied together, then the probability that the last digit in the product is 1,3,7 or 9 will be:
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 24
There are 500 students in an examination. 150 students passed the first paper, 350 students passed the second paper and 50 students passed both the papers. Find the probability that a student selected at random has failed in both the papers.
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 3 - X+2 Maths>Practice Exercises>Q 25
A person is asked to randomly pick two balls from a bag which has 15 yellow and 5 red balls. The probability that the person picks two balls of the same colour is: