1 point
Q.2) C = { x: x is a multiple of 3
and is less than 25, XEN). The
Set C in roster form is
O C = {0, 3, 6, 9, 12,...}
O C = {0, 2, 5, 8, 11, 25)
O
C = { 3, 6, 9, 12, 15, 18, 21, 24}
O C = {6, 9, 10, 12, 15, 18, 20, 25}
Answers
11th
Maths
Sets
Types of Sets
Which of the following are ...
MATHS
Which of the following are examples of empty set?
(i) Set of all even natural numbers divisible by 5
(ii) Set of all even prime numbers.
(iii) {x:x
2
−2=0 and x is rational }
(iv) {x:x is a natural number, x<8 and simultaneously x>12
(v) {x:x is a point common to any two parallel lines }
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ANSWER
Answer
Empty set is a set which does not contains any element.
i] Set of all even natural numbers divisible by 5
→ Not a Empty set, e.q. 10, seven natural number &
divisible by 5.
ii] Set of all even prime number
→ not a Empty set e.q. 2 is even prime number
iii] {x:x
2
−2=0 & x is rational }
→ not a Empty set, e.q. x=2 satisfy which is a
rational number.
iv] {x:x is a natural number x < 8 & x > 12 }
→ It is a empty set because if a natural number is less
than 8, then it cannot be greater than 12.
v] {x:x is a point common to any two parallel lines }
→ A empty set because there will be no common
point between two parallel lins.
So (iv) & (v) are examples of empty of empty sets. and please mark me brainlist
Please mark above answer as brainlist
because it's correct