Use Venn diagrams to answer each of the following
questions. You must show your Venn diagram for each
problem. 1. A survey of 80 sophomores at a certain
western college showed the following:
36 take English ,32 take history
32 take political science
16 take history and English
16 take political science and history ,14 take political
science and English
6 take all three
How many students:
a) take English and neither of the
other two? ____________
b) Take none of the three
courses? ____________
c) take history, but neither of
the other two? ____________
d) take political science and history but not English?
____________
e) do not take political science?
Answer Posted / arjun
donot take pol.sc includes those who take none.......
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
Seema's weight is 25% of Sunita's weight and 40% of Tanisha's weight. What percentage of Tanisha's weight is Sunita's weight?
A person spending out 1/3 for cloths , 1/5 of the remaining for food and 1/4 of the remaining for travellers is left with Rs 100/- . How he had in the beginning ?
There is a safe with a 5 digit number as the key. The 4th digit is 4 greater than second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit is thrice the last digit. There are 3 pairs whose sum is 11. Find the number.
A pipe can fill a tank in 30 min B can fill in 28 min then if 3/4 th of tank can be filled by B pipe and after wards bothare opened then how much time is required by both the pipes to fill the tank completely. note: the values of A and B may slitely vary be ware.
Why RSD of area limit is 15?
A man is running around a rectangle it takes time 2 time in travelling length than travelling width total perimeter = 300. Find area.
One of the longest sides of the triangle is 20 m. The other side is 10 m. Area of the triangle is 80 m2. What is the another side of the triangle?
A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination which is in north west direction.Given the latitude and longitude of source and destination. Find the local time of destination when the flight reaches there?
if x=y=2z and xyz =256 then x=
A man has 2 cows of total cost 200 rupees. He sold them for 210. For 1 cow he had a profit of 10% and for the other he had a loss of 10%. What is the price of each cow?
Solve for x and y: 1/x - 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
Two glasses were filled with 1/3 and 1/4 milk. they were filled with water &then mixed in tumbler. what is the percentage of milk in the resultant.
A person gives a secret to two other persons in 5 minutes. How long will he take to tell the secret to 768 people?
a train covers the distance D between two cities in hours arriving 2 hours late.what rate would permit to train to arrive on schedule?
It has 20 mixture contains mil and water in the ratio 3:5,replace 4 litres of mixture with 4 litres of water what is the final ratio of milk and water.