70 trees were planted by Parth and 90 trees were planted by Pradnya on the occasion of Tree Plantation Week. Out of these; 25 trees were planted by both of them together. How many trees were planted by Parth or Pradnya ?
Answers
Answered by
108
Answer:
n(a)=90
n(b)=70
n(a intersection b)=25
n(a union b)=n(a)+n(b)-n(a intersection b)
=90+70-25
=160-25
=135
Answered by
30
Answer:
95 by Parth and 115 by Pradnya
Step-by-step explanation:
Parth:
As he has planted 70 trees alone and 25 with Pradnya. So, addition of 70 and 25 is 95.
Pradnya:
As she has planted 90 trees alone and 25 trees with Parth. So, addition of 90 and. 25 is 115.
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