November 27, 2014

10th Class Maths Bits Bank for AP and Telangana Students

A well defined collection of objects or ideas is known as a set. If
(i) All the objects of the collection have the common property and
(ii) It is possible to decide whether the given object belongs to the
collection or not then the collection is said to be well-defined and
is defined as a set.

Multiple Choice Questions:

1. If A = {1, 2, 3, 4, 5} which of the following are not correct?
i. 4 e A ii. 6 e A iii. 5 e A iv. 7 e A
A) i & ii B) ii & iii C) iii & iv D) i & iv

2. Null set is represent as ......
i. φ ii. {0} iii. { } iv. {φ}
A) i & ii B) i & iii C) i, ii & iii D) ii, iii & iv

3. The number of subsets of the Set C = {x, y, z} are ......
A) 2 B) 3 C) 6 D) 8

4. A = {a, e, i} B = {x / x is a vowel in the word 'Mathematics'}
C = {a, e, i, o, u}
Which of the sets A, B & C are equal sets?
A) A & B B) B & C C) A & C D) A, B & C

Answers: 1-C; 2-B; 3-D; 4-A.

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