Example 2. In a class of 50 students, 40 speak Hindi, 20 speak both English and Hindi and all the students speak at least one of the two languages. How many students speak only English and not Hindi? How many students speak English?

Q: 6. A survey in the year 2020 asked families whether they owned a hermit crab, a turtle, or a snail.…

A: Let H, T and S be the set of families who owned a hermite crab, turtle and snails respectively. H…

Q: 15. An essay test has 10 questions. Students are required to answer 6 of the 10 questions. How many…

A: No.of questions are required to answer by the students, r = 6 Total no.of questions, n= 10 The…

Q: The model of the car you are thinking of buying is available in seven different colors and four…

A:

Q: Juan has 4 ties, 7 shirts, and 6 pairs of pants. How many different outfits can he wear if he…

A: We have given that  Juan has 4 ties, 7 shirts and 6 pairs of pants.

Q: A comedian knows seven jokes. One joke is old, one joke is new, and the other jokes are somewhere…

A:

Q: 6, 1, –4, –9, ...

A:

Q: Suppose that a candy shop sells eight different kinds of candies: 50 cherry, 50 strawberry, 40…

A: Given that,  8 different type of candies. 50 cherry, 50 stawberry ,40 orange, 70 lemon, 30…

Q: signal flags; how many different signals can be made by using at least 3 different flags if there…

A: Given  In part (a) Different flags = 3  In part (b) Given that 6 appetizers and 6 vegetables are on…

Q: How many facts do you know about each person? Mathematics and English Marks Muna Kemar 100 Emma Jin…

A: Given: A scatter plot diagram representing the marks of subjects English and Mathematics for…

Q: Politics. If 10,200 people voted for a politician in his first election, 12,987 voted for him in his…

A: event :  A:voted for politician in first election B:voted for politician in second election n(A) =…

Q: 10. A liberal arts college has one thousand students. The numbers studying various languages are:…

A: Given a liberal college has one thousand students.  Number of students who study French(F)=220…

Q: . How many different ways are there of handing out the prizes if (a) the prizes are all the same?…

A: A kindergarten class has 18 children. FIve of the children are selected to receive prizes. Here use…

Q: How many different four-letter words can you write, using only letters A, B, C, D, E, F, if no…

A: From the provided information, There are 6 letters.

Q: Boats use either 1, 2 or 3 signal flags to communicate with other boats (note: a signal with red…

A:

Q: 4,17, 2,1, 3, 11,14, 10, 6, 1,2, 1, 4, 14,15, 12, 1, 7, 9, 6 How many classes should there be if the…

A: Given: Let us consider the given, 4,17,2,1,3,11,14,10,6,1,2,1,4,14,15,12,1,7,9,6 Class width=4