In an examination, there are 5 multiple choice questions with 3 choices, out which exactly one i... VIDEO
In an examination, there are 5 multiple choice questions with 3 choices, out which exactly one is correct. There are 3 marks for each correct answer, -2 marks for each wrong answer and 0 mark if the question is not attempted. Then, the number of ways a student appearing in the examination gets 5 marks is
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions 2023-07-03 The number of one-one functions \( f:\{a, b, c, d\} \rightarrow\{0,1 \), \( 2, \ldots ., 10\} \)... 2023-07-03 The number of 5-digit natural numbers, such that the product of their digits is 36 , is 2023-07-03 Let \( b_{1} b_{2} b_{3} b_{4} \) be a 4-element permutation with bi \( \in\{1,2,3 \), ...., 100... 2023-07-03 The total number of four digit numbers such that each of the first three digits is divisible by ... 2023-07-03 Let \( A \) be a matrix of order \( 2 \times 2 \), whose entries are from the set \( \{0,1,2,3,4... 2023-07-03 The number of ways, 16 identical cubes, of which 11 are blue and rest are red, can placed in a r... 2023-07-03 The number of 3-digit odd number, whose sum of digits is a multiple of 7 , is 2023-07-03 The total number of 3-digit numbers, whose greatest common divisor with 36 is 2 , is 2023-07-03 The total number of three-digit numbers, with one digit Repeated exactly two times, is 2023-07-03 There are ten boys \( B_{1}, B_{2}, \ldots, B_{10} \) and five girls \( G_{1}, G_{2}, \ldots \ld... 2023-07-03 In an examination, there are 5 multiple choice questions with 3 choices, out which exactly one i... 2023-07-03 Four faces of a tetrahedral dice are marked with \( 2,3,4,5 \). The lowest face being considered... 2023-07-03 Total number of 6-digit numbers in which only one digit is repeated and all the five digits 1, 3... 2023-07-03 If a seven-digit number made up of all distinct digits \( 8,7,6 \), \( 4,3, x \) and \( y \) is ... 2023-07-03 Ten persons numbered \( 1,2, \ldots, 10 \) play a chess tournament, each player playing against ... 2023-07-03 How many different words can be formed using all the letters of the words HONOLULU if (no two al... 2023-07-03 Number of 7 digit numbers if the sum of their digits is 59 , how many of these are divisible by ... 2023-07-03 The total number of ways in which \( n^{2} \) number of identical balls can be put in \( n \) nu... 2023-07-03 Let \( x_{1}, x_{2}, \ldots, x_{k} \) be the divisors of positive integer \( n \) (including 1... 2023-07-03 Number of ways in which \( 5 B \) and \( 5 G \) can be seated on a circle alternately if a parti... 2023-07-03 How many hexagons can be constructed by joining the vertices of a quindecagon (15 sides) if none...