Ans.23, 11]11. There are three daily newspapers-A, B. C. The number of

1.	Ans.23, 11]11. There are three daily newspapers-A, B. C. The number of readers of one, two or all of these dailynewspapers is as follows:N 1,000,(AB) 25Find the number of the persons who read (a) only A. (b) at least two daily newspapers, and (c) B and Conly(A) - 70,(AC) 35.(B)(BC)85.30(C) 65(ABC)# 15.
Answer» Given,N = 1000(A) = 70, (B) = 85, (c) = 65, (AB) = 25, (AC) = 35, (BC) = 30, (ABC) = 15 (a) Number of persons who read A only = (A) = 70 (b) Atleast 2 daily newspapers= (AB) + (AC) + (BC) + (ABC) = 25 + 35 + 30 + 15= 105 (c) B and C only= (BC) = 30

Ans.23, 11]11. There are three daily newspapers-A, B. C. The number of readers of one, two or all of these dailynewspapers is as follows:N 1,000,(AB) 25Find the number of the persons who read (a) only A. (b) at least two daily newspapers, and (c) B and Conly(A) - 70,(AC) 35.(B)(BC)85.30(C) 65(ABC)# 15.

Answer»

Given,N = 1000(A) = 70, (B) = 85, (c) = 65, (AB) = 25, (AC) = 35, (BC) = 30, (ABC) = 15

(a) Number of persons who read A only = (A) = 70

(b) Atleast 2 daily newspapers= (AB) + (AC) + (BC) + (ABC) = 25 + 35 + 30 + 15= 105