Question

70 trees were planted by Parth and 90 trees were planted by Swati 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 Swati?

Answer 1

Here's your answer

$no \: of \: trees \: planted \: by \: z \\ parth + no \: of \: trees \: planted \: by \:swati \\ \\ 70 + 90 = 160$