|
Answer» 9) 70 trees were planted by parth 90 trees were planted by pradnya out of this 25 trees were planted by both of them Trees planted by parth and pradnya = 70 + 90 - 25 = 135
10) TOTAL no of students = 125 out of this 80 students drink tea 60 students drink coffee 20 students drink both 125 = 80 + 60 + x - 20 x represents students who don't drink both 125 = 120 + x x = 125 - 120 x = 5 so 5 students don't drink both tea or coffee
|