Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Answer please! The number of integers greater than 6,000 that can be formed, using the digits 3, 5, 6,7 and 8, without repetition, is :

 The number of integers greater than 6,000 that can be formed, using the digits 3, 5, 6,7 and 8, without repetition, is :

  • Option 1)

    216

  • Option 2)

    192

  • Option 3)

    120

  • Option 4)

    72

 

Answers (1)

best_answer

As we learnt in

Number of Permutations without repetition -

Arrange n objects taken r at a time equivalent to filling r places from n things.

 

- wherein

Where r\leq n\ \; and\; \; r\geq 0

 

 Four digit numbers can be 

Five digit numbers 

Total = 192

Correct option is 2.

 


Option 1)

216

This is an incorrect option.

Option 2)

192

This is the correct option.

Option 3)

120

This is an incorrect option.

Option 4)

72

This is an incorrect option.

Posted by

divya.saini

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 BTech CSE cut-offs for students of northeast, UTs drop in 2 years; over 2,000 seats reserved in NITs
anam-khan

BSEB Super 50 performed ‘brilliantly’ in JEE Main, 23 scored above 95 percentile: Bihar Board chairman
anam-khan

IIIT Allahabad cut-offs for BTech ECE, IT, IT-Business Informatics goes up in last 3 years; seat matrix

Latest Question