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Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
Page 2


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
MCQ’s 
. 
Page 3


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
MCQ’s 
. 
MCQ.1 
1. In a group of 20 children, 8 drink tea but not coffee and 13 like tea. The 
number of children drinking coffee but not tea is 
(a) 6 
(b) 7 
(c) 1 
(d) none of these    
Answer:(B) 
Page 4


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
MCQ’s 
. 
MCQ.1 
1. In a group of 20 children, 8 drink tea but not coffee and 13 like tea. The 
number of children drinking coffee but not tea is 
(a) 6 
(b) 7 
(c) 1 
(d) none of these    
Answer:(B) 
MCQ.2 
2.If A has 32 elements, B has 42 
elements and A ? B has 62 
elements, the number of elements in 
A n B is 
• (a) 12 
• (b) 74 
• (c) 10 
• (d) none of these    
Answer: A 
Page 5


Set Theory 
CPT Section D Quantitative 
Aptitude Chapter 7 
Brijeshwar Prasad Gupta 
 
MCQ’s 
. 
MCQ.1 
1. In a group of 20 children, 8 drink tea but not coffee and 13 like tea. The 
number of children drinking coffee but not tea is 
(a) 6 
(b) 7 
(c) 1 
(d) none of these    
Answer:(B) 
MCQ.2 
2.If A has 32 elements, B has 42 
elements and A ? B has 62 
elements, the number of elements in 
A n B is 
• (a) 12 
• (b) 74 
• (c) 10 
• (d) none of these    
Answer: A 
MCQ.3 
3. Given A = {2, 3}, B = {4, 5}, 
C = {5, 6} then    A × (B n C) is 
• (a) {(2, 5), (3, 5)} 
• (b) {(5, 2), (5, 3)} 
• (c) {(2, 3), (5, 5)} 
• (d) none of these    
Answer:A 
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FAQs on MCQ - Functions and Relations - Quantitative Aptitude for CA Foundation

1. What is the difference between a function and a relation?
Ans. A function is a special type of relation where each input value (x) is associated with only one output value (y), whereas a relation can have multiple output values for a single input value.
2. How can we determine if a relation is a function?
Ans. To determine if a relation is a function, we can use the vertical line test. If a vertical line intersects the graph of the relation at more than one point, then it is not a function. If the vertical line intersects the graph at only one point, then it is a function.
3. What is the domain and range of a function?
Ans. The domain of a function is the set of all possible input values (x) for which the function is defined. The range of a function is the set of all possible output values (y) that the function can produce.
4. Can a function have the same output value for multiple input values?
Ans. No, a function cannot have the same output value for multiple input values. Each input value must be associated with a unique output value in a function.
5. How can we represent a function mathematically?
Ans. A function can be represented mathematically using an equation or a set of ordered pairs. For example, the equation y = 2x represents a linear function, where the output value (y) is twice the input value (x).
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