Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • An institute offers five types of hobby classes in morning and three types of hobby classes in evening. Then the number of ways in which a student can join exactly one hobby class is <div

An institute offers five types of hobby classes in morning and three types of hobby classes in evening. Then the number of ways in which a student can join exactly one hobby class is 

Option: 1

15


Option: 2

7


Option: 3

8


Option: 4

9


Answers (1)

best_answer

As we have learned

Addition Rule

Let A can occurs in m ways and B can occurs in n ways and both cannot occur simultaneously. Then A or B can occurs in (m + n) ways.

 

Now,

Either the student will join in morning or evening, but not simuntaneously both 

No. of ways in which he can join in morning is 5 

No. of ways he can join in evening is 3 

Total no. of ways = 5+3 = 8

Posted by

Ritika Jonwal

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

BTech aspirant from north-east or UT? Apply for CSAB NEUT counselling 2025 today
anam-khan

JoSAA round 2 cut-off 2025 out; BTech closing ranks for top engineering courses at IITs
anam-khan

Goa Engineering Admission 2025: 1,415 eligible for BE seats; merit list on June 27

Latest Question