NCERT Solutions for class 11 Maths | Chapter 7 - Permutations and Combinations

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 Four dice are rolled. The number of possible outcomes in which at least one dice show 2 is
A 1296
B 671
C 625
D 585

Answer:671
2 How many ways are here to arrange the letters in the word GARDEN with the vowels in alphabetical order?
A 120
B 240
C 360
D 480

Answer:360
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 The number of ways can the letters of the word ASSASSINATION be arranged so that all the S are together is
A 152100
B 1512
C 15120
D 151200

Answer:151200
4 In how many ways can 4 different balls be distributed among 5 different boxes when any box can have any number of balls?
A 54 – 1
B 54
C 45 – 1
D 45

Answer:54
5 The number of combination of n distinct objects taken r at a time be x is given by
A n/2Cr
B n/2Cr/2
C n/2/2
D nCr

Answer:nCr
6 The value of P(n, n – 1) is
A n
B 2n
C n!
D 2n!

Answer:n!
7 Four dice are rolled. The number of possible outcomes in which at least one dice show 2 is
A 1296
B 671
C 625
D 585

Answer:671
8 There are 12 points in a plane out of which 5 are collinear. The number of triangles formed by the points as vertices is
A 185
B 210
C 220
D 175

Answer:210
9 The number of ways of painting the faces of a cube with six different colors is
A 1
B 6
C 6!
D None of these

Answer:1
10 If repetition of the digits is allowed, then the number of even natural numbers having three digits is
A 250
B 350
C 450
D 550

Answer:450
11 If repetition of the digits is allowed, then the number of even natural numbers having three digits is
A 250
B 350
C 450
D 550

Answer:450
12 The number of squares that can be formed on a chess board is
A 64
B 160
C 224
D 204

Answer:204
13 A student is to answer 10 out of 13 questions in an examination such that he must choose at least 4 from the first five questions. The number of choices available to him is
A 40
B 196
C 280
D 346

Answer:196
14 How many 3-letter words with or without meaning, can be formed out of the letters of the word, LOGARITHMS, if repetition of letters is not allowed
A 720
B 420
C none of these
D 5040

Answer:720
15 In how many ways in which 8 students can be sated in a line is
A 40230
B 40320
C 5040
D 50400

Answer:40320
16 The number of ways in which 8 distinct toys can be distributed among 5 children is
A 58
B 85
C 8P5
D 5P5

Answer: 58
17 Out of 5 apples, 10 mangoes and 13 oranges, any 15 fruits are to be distributed among 2 persons. Then the total number of ways of distribution is
A 1800
B 1080
C 1008
D 8001

Answer:1008
18 6 men and 4 women are to be seated in a row so that no two women sit together. The number of ways they can be seated is
A 604800
B 17280
C 120960
D 518400

Answer:604800
19 Let Tn denote the number of triangles which can be formed using the vertices of a regular polygon on n sides. If Tn+1 – Tn = 21, then n equals
A 5
B 7
C 6
D 4

Answer:7
20 How many factors are 25 × 36 × 52 are perfect squares
A 24
B 12
C 16
D 22

Answer:24

Random GK Questions

Q. In which year the Reserve Bank of India was taken over by the Government ?
Q. The term Caste was derived from
Q. Under the rules of the IMF, each member is required to declare the par value of its legal tender money in terms of U.S. dollars and
Q. The cause of low per capita income in India is :
Q. Water in plants is trans-ported by
Q. Bajada is the formation of

Chapters

Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series