In a class of 150 students 55 speak English; 85 speak Telugu and 30 speak neither English nor Telugu.
1. How many speak both English and Telugu?
2. How many speak only Telugu?
3. How many speak at least one of the two languages from English and Telugu?

• 20 peak both English and Telugu
  
  65 speak only telgu
  120 or ( 150-30)speak at least one of the two languages from English and Telugu
  
• 13 years agoHelpfull: Yes(16) No(4)
• 1. 20
  2. 65
  3. 120
  Sovle it through the Venn Diagram
• 13 years agoHelpfull: Yes(8) No(9)
• Total=150
  English=55
  Telugu=85
  none/ neither English nor Telugu=30
  No. of Students who speak only one or both=150-30=120
  so, 120 stud's can speak english or telugu or both.
  then,
  No. of Stud's speak only English= 120-85(telugu)=35
  " " " " " Telugu= 120-55=65
  Remaining 120-(65+35)=20 stud's can speak both.
• 7 years agoHelpfull: Yes(6) No(0)
• (i) 20 students speak both english and telugu.
  (ii) 35 students speak only telugu
  (iii) 120 students speak atleast one of the two languages from english and telugu.
• 9 years agoHelpfull: Yes(0) No(0)
• (7-1)*2=12
  (12-2)*4=40
  (40-3)*6=222
  (222-4)*8=1744
  (1744-5)*10=17390
  (17390-6)*12=208680
• 8 years agoHelpfull: Yes(0) No(0)
• Total=150
  English=55
  Telugu=85
  none/ neither English nor Telugu=30
  No. of Students who speak only one or both=150-30=120
  so, 120 stud's can speak english or telugu or both.
  then,
  No. of Stud's speak only English= 120-85(telugu)=35
  " " " " " Telugu= 120-55=65
  Remaining 120-(65+35)=20 stud's can speak both
  another way find
• 4 years agoHelpfull: Yes(0) No(0)