(Sample Material) CSAT Online Coaching : Basic Numeracy "Set Theory, Venn Diagram, Function and Relations"


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Subject: Basic Numeracy

Topic: Set Theory, Venn Diagram, Function and Relations

1. The function f : N --> N : f (x) = 3x, where N is the set of natural numbers.

(a) one-one and onto

(b) one-one but not onto

(c) onto but not one-one

(d) Neither one-one nor onto

2. If An is the set of all multiples of n = 1,2, 3, ...and P is the set of all prime numbers, then                 is equal to

(a) P

(b) {1, 2, 3,...}

(c) {2, 3, 4, 5, ...}

(d) {0, ±1, ±2,...}

3. The set of values of x that satisfy |5x – 3| = 7, is

(a) {4/5,2}

(b) {-4/5,-2}

(c) {-4/5,2}

(d) {3, 7}

4. 40% of the students in a college play basketball, 34% of the students to play tennis and the number of students who play both the games is 234. The number who play neither basketball nor tennis is 52%. Determine the student population in the college.

(a) 800

(b) 1050

(c) 900

(d) 850

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