a) 252 b) 240 c) 300 d) 340 Answer: a Explanation: Since, there are 5 ...
View QuestionA team of 8 students goes on an excursion, in two cars, of which one can seat 5 and the other only 4. In how many ways can they travel?
a) 392 b) 126 c) 26 d) 9 Answer: b Explanation: There are 8 students ...
View QuestionIn how many ways can the letters of the word EDUCATION be rearranged so that the relative position of the vowels and consonants remain the same as in the word EDUCATION?
In how many ways can the letters of the word EDUCATION be rearranged so that the relative position ...
View Question12 chairs are arranged in a row and are numbered 1 to 12. 4 men have to be seated in these chairs so that the chairs numbered 1 to 8 should be occupied and no two men occupy adjacent chairs. Find the number of ways the task can be done.
a) 360 b) 384 c) 432 d) 470 Answer: b Explanation: Given there are 12 ...
View QuestionTen different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, the number of words which have at least one letter repeated is:
a) 69760 b) 30240 c) 99748 d) 42386 Answer: a Explanation: Number of words which have ...
View QuestionIf 5×nP3 = 4×(n+1)P3,find n?
If $$5{ \times ^{\text{n}}}{{\text{P}}_3} = 4{ \times ^{\left( {{\text{n}} + 1} \right)}}{{\text{P}}_{3,}}$$ find n? a) 10 ...
View QuestionA class photograph has to be taken. The front row consists of 6 girls who are sitting. 20 boys are standing behind. The two corner positions are reserved for the 2 tallest boys. In how many ways can the students be arranged?
a) 6! × 1440 b) 18! × 1440 c) 18! × 2! × 1440 d) None of ...
View QuestionThe letter of the word LABOUR are permuted in all possible ways and the words thus formed are arranged as in a dictionary. What is the rank of the word LABOUR?
a) 242 b) 240 c) 251 d) 275 Answer: a Explanation: The order ...
View QuestionFind the number of triangles which can be formed by joining the angular points of a polygon of 8 sides as vertices.
a) 56 b) 24 c) 16 d) 8 Answer: a Explanation: A triangle needs ...
View QuestionA question paper has two parts, A and B, each containing 10 questions. If a student has to choose 8 from part A and 5 from part B, in how many ways can he choose the questions?
a) 11340 b) 12750 c) 40 d) 320 Answer: a Explanation: There 10 questions in ...
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