Exercise 4a Question#15,16 D1 Math Oxford New Syllabus Mathematics Updated Edition | Chapter 4|Book1

Chapter 4 D1 Updated Edition
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Exercise 4a Question no 15,16 D1 Math Oxford New Syllabus Mathematics Updated Edition || Chapter 4 || Book 1 Maths
Instructor: Waqas Haneef

Question # 15: It is given that
Q = {x:x is a perfect square between 10 and 15}
and
R = {x:x is a positive integer less than 5 that is both a perfect square and a perfect cube}.
(a) List all the elements of Q and of R in set notation.
(b) Are Q and R empty sets? Use the notation Ø to describe Q and R.

Question # 16: It is given that U = {x:x is an integer greater than -3},
P = {x:x is a decimal}, and
Q = {x:x is a number less than 7}.
(a) List all the elements of P and of Q in set notation. (b) Is Q a finite set? Why?