1. If A = {2, 4, 6, 8, 10} then:
(a) 4 ∈ A
(b) 4 ∉ A
(c) 4 = A
(d) 4 ∉ A
Ans: (a) 4 ∈ A
2. Select the following numbers that are exactly divisible by 4:
(a) 2000
(b) 24565
(c) 33333
(d) 44445
Ans: (a) 2000
3. If √x is an integer, the following statement must be true:
(a) x is an even number
(b) x is always a negative number
(c) x is a perfect square
(d) x is a prime number
Ans: (c) x is a perfect square
4. A fractional number can always be written as:
(a) A fraction of two integers
(b) A whole number only
(c) A decimal that never ends
(d) A decimal that never repeats
Ans: (a) A fraction of two integers
5. Z = {0, ±1, ±2, ±3, ±4, …} is:
(a) Set of whole numbers
(b) Set of composite numbers
(c) Set of integers
(d) Set of rational numbers
Ans: (c) Set of integers
6. 15 × (10 × 6) = (× 10), ┌ = :
(a) 15
(b) 60
(c) 80
(d) 90
Ans: (b) 60
7. If C = {a, b, c, f} and D = {2, 4, 8, 10} then C ∩ D is:
(a) { }
(b) {a, b, c, d, e, f}
(c) {a, b, c, d, e, f, 2, 4, 8, 10}
(d) {2, 4, 8, 10}
Ans: (a) { }
8. (4 ÷ ( – 4)) × 2 =
(a) 2
(b) 2/27
(c) 1
(d) -2/3
Ans: (c) 1
9. If a < b and b < c then:
(a) a < c
(b) c < a
(c) a = c
(d) b = c
Ans: (a) a < c
10. For two sets P and Q, if O(P) = O(Q) then:
(a) P ⊄ Q
(b) P = Q
(c) P – Q
(d) P ⊄ Q
Ans: (b) P = Q
11. The sum of square numbers between 63 and 143 is:
(a) 245
(b) 266
(c) 366
(d) 302
Ans: (b) 266
12. Two angles are said to be non-equal when they are:
(a) Vertically opposite
(b) Alternate
(c) Corresponding
(d) Supplementary
Ans: (d) Supplementary
13. The median of the observations 3, 5, 4, 3, 8, 6, 3, 4 is:
(a) 3
(b) 4
(c) 5
(d) 6
Ans: (b) 4
14. In coordinate geometry, rise over run denotes:
(a) x2 + x1
(b) y2 – x1
(c) y1 + x1
(d) y2 – y1
Ans: (d) y2 – y1
15. Two triangles having the same corresponding angles but different side lengths are said to be:
(a) Congruent
(b) Supplementary
(c) Similar
(d) Alternate
Ans: (c) Similar
16. Find x, when x:72::7:18
(a) 4
(b) 7
(c) 28
(d) 36
Ans: (c) 28
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