Search Colleges, Courses, Exams, Questions and Articles

Ask a query on 8879100846 Ask Login | Sign Up

 

 

› Ask & Answer › Question

Total number of 3-digit numbers whose product is 12 is ______.

0 2 Views | Posted 3 weeks ago
Asked by Shiksha User

  • 1 Answer

  • R

    Answered by

    Raj Pandey | Contributor-Level 9

    3 weeks ago

    Single digit factor of 12 → 1,2 , 3,4 , 6

      ( x , y , z )  where , x y z = 12

    ( 6,2 , 1 ) ( 4,3 , 1 ) ( 3,2 , 2 )

    ↓ ↓ ↓   6Ways     6 Ways   3Ways  

     Total 15 Ways

Similar Questions for you

Rank of the word ‘GTWENTY’ in dictionary is
A
alok kumar singh

Start with

(1) E ¯ : 6 ! 2 ! = 3 6 0  

(2)    G E ¯ : 5 ! 2 ! , G N ¯ : 5 ! 2 !  

(3) GTE : 4!, GTN: 4!, GTT : 4!

(4) GTWENTY = 1

⇒ 360 + 60 + 60 + 24 + 24 + 24 + 1 = 553

The number of solution of equation x + 2y + 3z = 42 and x, y, z Î z and x, y, z ³ 0
A
alok kumar singh

x + 2y + 3z = 42

0    x + 2y = 42 ->22 cases

1    x + 2y = 39 ->19 cases

2    x + 2y = 36 ->19 cases

3    x + 2y = 33 ->17 cases

4    x + 2y = 30 ->16 cases

5    x + 2y = 27 ->14 cases

6    x + 2y = 24 ->13 cases

7    x + 2y = 21 ->11 cases

8    x + 2y = 18 ->10 cases

9    x + 2y = 15 ->8 cases

10  x + 2y =12 -> 7 cases

11  x + 2y = 9 -> 5 cases

12  x + 2y = 6 -> 4 cases

13  x + 2y = 3 -> 2 cases

14  x + 2y = 0 -> 1 cases.

Five people are distributed in four identical rooms. A room can also contain zero people. Find the number of ways to distribute them.
A
alok kumar singh

Total ways to partition 5 into 4 parts are:

5 0 

4 1 0  5!4!=5

3 2 0 5 ! 3 ! ⋅ 2 ! = 1 0

3 1 0 5 ! 2 ! 2 ! 2 ! = 1 5

2 1 5 ! 2 !   × 3 ! = 1 0

51 Total way

The number of ways to distribute the 21 identical apples to three children’s so that each child gets at least 2 apples.
A
alok kumar singh

After giving 2 apples to each child 15 apples left now 15 apples can be distributed in
15+3–1C2 = 17C2 ways

  = 1 7 * 1 6 2 = 1 3 6          

If for some m, n;  and , then  is equal to 

 

 
A
alok kumar singh

( n ? 1 ) ( n ? 2 ) ( n ? 3 ) n ( n ? 1 ) ( n ? 2 ) ( n ? 3 ) = 1 8
  n = 8

= 8 * 7 * 6 * 5 * 4 + 9 * 8 2

= 6756

Get authentic answers from experts, students and alumni that you won't find anywhere else

Sign Up on Shiksha

On Shiksha, get access to

  • 65k Colleges
  • 1.2k Exams
  • 688k Reviews
  • 1800k Answers

Learn more about...

Share Your College Life Experience

Write a Review

Didn't find the answer you were looking for?

Search from Shiksha's 1 lakh+ Topics

or

Ask Current Students, Alumni & our Experts

Ask Now
Community GuidelinesUser Points System
QuestionsDiscussionsTags
×
×

This website uses Cookies and related technologies for the site to function correctly and securely, improve & personalise your browsing experience, analyse traffic, and support our marketing efforts and serve the Core Purpose. By continuing to browse the site, you agree to Privacy Policy and Cookie Policy.

Need guidance on career and education? Ask our experts

Characters 0/140

The Answer must contain atleast 20 characters.

Add more details

Characters 0/300

The Answer must contain atleast 20 characters.

Keep it short & simple. Type complete word. Avoid abusive language. Next

Your Question

Edit

Add relevant tags to get quick responses. Cancel Post