English
Tamil Nadu Board of Secondary EducationHSC Science Class 11

Find the value of 3! × 2!

Advertisements
Advertisements

Question

Find the value of 3! × 2!

Sum
Advertisements

Solution

3! × 2! = (3 × 2 × 1) × (4 × 3 × 2 × 1)

= 6 × 24

= 144

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Combinatorics and Mathematical Induction - Exercise 4.1 [Page 166]

APPEARS IN

Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 4 Combinatorics and Mathematical Induction
Exercise 4.1 | Q 14. (iv) | Page 166

RELATED QUESTIONS

A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there?


Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the other?


How many two-letter words can be formed using letters from the word SPACE, when repetition of letters is not allowed?


How many numbers between 100 and 1000 have the digit 7 exactly once?


A teacher wants to select the class monitor in a class of 30 boys and 20 girls. In how many ways can the monitor be selected if the monitor must be a girl or a boy?


How many three-digit numbers can be formed from the digits 0, 1, 3, 5, 6 if repetitions of digits are not allowed?


Select the correct answer from the given alternatives.

A college offers 5 courses in the morning and 3 in the evening. The number of ways a student can select exactly one course, either in the morning or in the evening


Answer the following:

A hall has 12 lamps and every lamp can be switched on independently. Find the number of ways of illuminating the hall.


A person went to a restaurant for dinner. In the menu card, the person saw 10 Indian and 7 Chinese food items. In how many ways the person can select either an Indian or a Chinese food?


Three persons enter into a conference hall in which there are 10 seats. In how many ways they can take their seats?


Given four flags of different colours, how many different signals can be generated if each signal requires the use of three flags, one below the other?


How many numbers are there between 100 and 500 with the digits 0, 1, 2, 3, 4, 5? if repetition of digits allowed


How many three-digit numbers, which are divisible by 5, can be formed using the digits 0, 1, 2, 3, 4, 5 if repetition of digits are not allowed?


Count the total number of ways of answering 6 objective type questions, each question having 4 choices


In how many ways 10 pigeons can be placed in 3 different pigeon holes?


Find the value of n if `1/(8!) + 1/(9!) = "n"/(10!)`


Out of 18 points in a plane, no three are in the same line except five points which are collinear. Find the number of lines that can be formed joining the point


Find the number of integers greater than 7000 that can be formed with the digits 3, 5, 7, 8 and 9 where no digits are repeated.


The sum of the digits in unit place of all the numbers formed with the help of 3, 4, 5 and 6 taken all at a time is ______.


The number of all four digit numbers which begin with 4 and end with either zero or five is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×