Instructions

To answer the following questions consider the following information.

Given that

U = {1, 2, 3, ......., 500}

A = the set of all multiples of 6 in U,

B = the set of all multiples of 15 in U and

C = the set of all multiples of 10 in U.

Let $$\mid S \mid$$, denotes the number of elements in a set S. Then

Instructions

Consider the following information.

In a hostel there are 220 students. Out of them 105 read newspaper A, 90 read newspaper B, 75 read newspaper C. 35 read both A and B. 20 read both A and C, 23 read bath B and C and 9 read all three newspapers. Then

Instructions

For the following questions answer them individually

Question 148

In a college having 600 science students, 450) students are doing Physics, 300 students are doing Mathematics and 400 students are doing Chemistory On These students 180 students are doing both Physics and Mathematics and 350 students are doing Physics and Chemistry 200 students are studying all three subjects. Then the number of students doing both Mathematics and Chenustry is

Question 150

In the following figure, the regions 1, 2, 3, 4, 5, 6, 7, 8 are shaded with the colours Voilet (V), Purple (P), Blue (B), Yellow (Y), Orange (O), Red (R), Green (G) and Maroon (M) respectively. If the figure is reflected with respect to $$l_1$$ and then reflected with respect to $$l_2$$ then the new order of the colours in the clockwise direction