Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • A bag contains four coins of each 1 rupee, 2 rupees and 5 rupees. Assuming coins of same denomination to be identical.  The number of ways of donating some amount to a begger is <div

A bag contains four coins of each 1 rupee, 2 rupees and 5 rupees. Assuming coins of same denomination to be identical.  The number of ways of donating some amount to a begger is 

Option: 1

12 


Option: 2

11 


Option: 3

64 


Option: 4

124 


Answers (1)

best_answer

As we have learned

Theorem of Combinations -

The number of ways of selecting at least one item from a collection of m objects of one kind, n objects of another kind and p other kind is (m + 1) (n + 1) (p + 1) -1.

 

In this question,

 Number of ways = (4+1)(4+1)(4+1) -1 = 124 

 

Posted by

Deependra Verma

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2025: Previous year NIT Calicut cut offs; opening, closing ranks
anam-khan

JEE Main 2025 Admit Card Live: Session 1 hall ticket soon at jeemain.nta.nic.in; photo correction, cut-offs
anam-khan

NTA finds errors in JEE Main 2025 photos; asks to upload correct images by January 17

Latest Question