Basic Mathematics

Q: What is the value of 81265x169 – 81265x 69

(a) :  81265000
(b) :  zero
(c) :  8126500
(d) :  8026500
(e) :  none
Answer:  81265000
Explanation:  

Q: P = [2, 3, 5, 7, 11, ...]

(a) :  Finite set
(b) :  Prime numbers
(c) :  Odd numbers
(d) :  Natural set
(e) :  none
Answer:  Prime numbers
Explanation:  

Q: (a-b)(a+b) =

(a) :   a2 * b2
(b) :  a2 - b2
(c) :  a2 + b2
(d) :  A and B
(e) :  none
Answer:  a2 - b2
Explanation:  

Q: Set of Prime numbers:

(a) :  [1, 3, 5, 7, 9, .....]
(b) :  [2, 3, 5, 7, 11, ...]
(c) :  [2, 3, 4, 5, 7, 9, ....]
(d) :  [1, 4, 6, 8, 9, 10, ....]
(e) :  none
Answer:  [2, 3, 5, 7, 11, ...]
Explanation:  

Q: The set consisting of second elements of all the odered pairs of R is called _ _ _ _ _ _ .

(a) :  Domain of R
(b) :  Reciprocl of R
(c) :  Range of R
(d) :  Integer of R
(e) :  none
Answer:  Range of R
Explanation:  

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