Question

7. If the number of teams are 15 1 point
then , what would be the
number of total matches? यदि
टीमों की संख्या 15 है, तो कुल मैचों की
संख्या क्या होगी?​

Answer 1

Answer:

105

Explanation:

14+13+12+11+10+........+2+1=105

Answer 2

Given : number of teams are 15

टीमों की संख्या 15 है

To find : what would be the  number of total matches

कुल मैचों की  संख्या

Explanation:

Total number of teams = 15

Teams required to play a match = 2

Team playing A against B  or B against A  is same thing

hence order of selection of team does not matter.

Number of ways selecting 2 teams out of 15 is

¹⁵C₂

= 15 * 14/2

= 105

number of total matches = 105

कुल मैचों की  संख्या 105 होगी

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