201.From the letters of the word ‘GLORJTAME’ how many words can be formed using 3 consonants and 2 vowels?
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202.There are 21 consonants and 5 vowels in English alphabet. How many words can be formed using 3 consonants and 2 vowels?
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Long Answer Type
203.A group consists of 4 girls and 7 boys. In how many ways can a team of 5 members be selected if the team has (i) no girl (ii) at least one boy and one girl (iii) at least 3 girls.
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Short Answer Type
204.From a class of 12 boys and 10 girls, 10 students are to be choosen for a competition, including at least 4 boys and 4 girls. The two girls who won the prize last year should be included. In how many ways can the selection be made?
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205.Fifteen persons meet in a room and each shake hands with all others. Find number of hand shakes.
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Long Answer Type
206.A committee of 6 is to be formed from 8 boys and 6 girls. In how many ways can this be done if it contains (i) 4 girls (ii) atleast 4 girls (iii) at most 4 girls?
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Short Answer Type
207.In an examination, Sanya has to select 3 questions from each part. There are 5. 7, 4 questions in part I, II and III respectively. What is the number of possible combinations in which she can choose the questions?
208.How many words with or without meaning of 3 distinct letters of English alphabet are there?
Solution not provided.
Ans. 15600
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209.Six multiple choice questions are there in a section of a question paper. First three of the questions have 4 choices each and next 3 have 5 choices each. How many sequences of answers are possible?
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210.
How many 3-digit numbers can be formed without using the digit 0, 2, 3, 4, 5, 6 when: