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# Test: Problem Solving- 4

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## 15 Questions MCQ Test UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making | Test: Problem Solving- 4

Test: Problem Solving- 4 for GRE 2022 is part of UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making preparation. The Test: Problem Solving- 4 questions and answers have been prepared according to the GRE exam syllabus.The Test: Problem Solving- 4 MCQs are made for GRE 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Problem Solving- 4 below.
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Test: Problem Solving- 4 - Question 1

### There are three events A, B and C one of which must happen. At a time only one can happen. The odds are 8 to 3 against A, 5 to 2 against B , find the odds against C.

Test: Problem Solving- 4 - Question 2

### One of two events must happen. Given that the chance of one is two-third of the other, find the odds in favour of the other.

Test: Problem Solving- 4 - Question 3

### In a class the probability of all the students passing the mathematics examination is 0.8 that of the whole class passing the Hindi examination is 0.7. If the probability of the whole class passing in at least one of the two exams is 0.95, then find the probability of not getting any failures in the whole class in both mathematics and Hindi.

Test: Problem Solving- 4 - Question 4

In an entrance test that is graded on the basis of English and general knowledge, the probability of a randomly chosen student passing both the tests is 0.5 and the probability of passing neither is 0.1. If the probability of passing the English test is 0.75, then what is the probability of passing the general knowledge test?

Test: Problem Solving- 4 - Question 5

In a lottery of 50 tickets numbered 1 to 50, two tickets are drawn simultaneously. Find the odds in favour that none of the tickets has a prime number.

Test: Problem Solving- 4 - Question 6

There are 9 letters; 5 consonants and 4 vowels. Three letters are chosen at random. What is the probability of choosing more than one vowel?

Test: Problem Solving- 4 - Question 7

A bag contains 50 tickets numbered 51,52,???,100 of which 5 are drawn and arranged in ascending order of magnitude.find the probability that the third number is 80.

Test: Problem Solving- 4 - Question 8

Four persons are to be chosen from a group of 3 men, 2 women and 4 children. Find the probability of choosing exactly 2 women.

Test: Problem Solving- 4 - Question 9

A bag contains tickets numbered 1 to 30. Three tickets are chosen at random. Find the probability that all the tickets have two digit numbers.

Test: Problem Solving- 4 - Question 10

The letters of the word SOCIETY are arranged at random in a row. What is the probability that the three vowels come together?

Test: Problem Solving- 4 - Question 11

What are the odds in favour that when the letters of the word UNIVERSITY are arranged randomly, the I???s come together?

Test: Problem Solving- 4 - Question 12

Out of 10 toppers of a school, 5 are girls and 5 are boys. 5 students have to be chosen to represent the school in a seminar. Find the probability that all five are girls.

Test: Problem Solving- 4 - Question 13

In a lottery a person chooses 6 different numbers from 1 to 20. If these numbers match with the six numbers chosen by the lottery committee then he wins the lottery. What is his probability of winning the prize?

Test: Problem Solving- 4 - Question 14

100 students appeared in two examinations. 60 passed the first, 50 passed the other and 30 passed both. Find the probability that a student selected at random has failed in exactly one.

Test: Problem Solving- 4 - Question 15

A card is drawn from a pack of cards. Find the probability that it is an ace or a diamond or a red card.

## UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making

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## UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making

67 videos|50 docs|151 tests