Find out the number of families which have T.V and scooter both but dont have VC.R. or Maruti.
(a) A florist has certain number of garlands. 110 of them have champak, 50 have jasmine flowers and 30 garlands have both the flowers. Find the total number of garlands with him.
(b) In a class of 60 students everyone should select either Mathematics or Science or both. If 45 students select Mathematics, 30 students select Science, how many students do select both the subjects?
(c) In a survey of 1000 families of T.V. viewers in a city, it was found that 750 families view Kannada programmes, 400 families view Hindi programmes and 300 families view both the programme. Find how many families do view (i) Kannada programmes only (ii) Hindi programmes only (iii) neither of the programmes.