सा जम्मा कति विदयाथीहरूको

सा जम्मा कति विदयाथीहरूको सर्वेक्षण गरिएको थियो ? (How many students were surveyed.)(1) कथा मात्र सुन्न मन पराउने कति जना थिए ? (How many liked to listen the story only :)। एउटा सवक्षणमा 80% मानिसहरूले सुन्तला, 85% ले आँप मन पराउने र 75% ले दुबै मन पराउने पाइयो । तर 45 जनालेदुबै फलफुल मन नपराउने पाइयो भने भेनचित्र बनाई सर्वेक्षण गरिएको मानिसहरूको सङ्ख्या पत्ता लगाऊ।In a survey, it was found that 80% people liked oranges, 85% liked mangoes and 75% liked both. But45 people liked none of them. By drawing a Venn diagram, find the number of people who were in thesurvey.ANSWERS1.202.703.54. 155.56. 687.50%, 35% 8. 20%, 60% 9.90, 20 10.450

Answer»

Answer:

450 PEOPLE are in SURVEY.