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An arrangement of finite numbers of objects taken some or all at a time is called their_____
- A.P
- Combination
- Sequence
- Permutation
The extraction of a square root of a given number is?
- Binary operation
- Relation
- Unary operation
- Relation in some set
If F:X→Y is a function, then y ∈Y is called?
- Dependent variable of f
- Independent variable of f
- Value of f
- Range of f
The number of word that can be formed out of the letters of the word BOTSWANA is?
- 8!
- 2!
- 8!.2!
- 8!/2!
cos^2 θ/2+sin^2 θ/2 =_____?
- 1/4
- 1/2
- 2
- 1
What comes next in the sequence: 1, 2, 6, 22, ___?
- 82
- 84
- 86
- 88
The function f:x → 1 is?
- Constant function
- Cubic function
- Quadratic function
- Identity function
The letters of the SAP taken all at a time can be written in?
- 2 ways
- 6 ways
- 24 ways
- 30 ways
A function from A to B is called the onto function if its range is?
- B
- A
- Neither A nor B
- Both A and B
A ∩ (C U B) ____?
- (A U B) U (A U C)
- (A ∩ B) U (A ∩ C)
- (A U B) ∩ C
- (A U B) ∩ (A U B)
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