ای
0-:0
‎Correct Answer:- Option-D‏
‎:० (५* ५) + (x! + y')’ is equal to‏

Correct Answer:- Option-D
Question58:-Let “8” ‏ع6‎ any element in a Boolean algebra *B* . If ‘a+x=1* and ‘ax=0" , then
۸ ۰

=> :م
‎Correct Answer:- Option-D‏
‎Question59:-Which of the following is reflexive?‏

A 142°

151:
പട്‌
D:- 400°

Correct Answer:- Option-A
Question60:-If *1

A: 1^ {0'} 21೧07
119) 5 179
പ്ല ടവ്‌

۱۸۷۹۰ <( '0) ۸ات

Correct Answer:- Option-A

Question61:-If S* is a non-empty set of real numbers, then

മാന്‌ 5 = Sup *S*
B:-Inf *S* = -Sup *(-S)°
C:-Inf *S* = Sup *(-S)°
D:-Inf *S* = -Sup *S*

Correct Answer:- Option-B
Question62:-Every infinite set has
A:-an uncountable subset
B:-a countable subset
C:-both countable and uncountable subsets
D:-none of the above
Correct Answer:- Option-B
Question63:-A real valued function ‘f has discontinuity of the second kind at *x=a if
A:-f (at) exist only
B:-‘f (a-)" exist only
C:-Neither ‘f (a+)° nor ‘f (a-)° exist
D:-Both “f(a+)* and “f (a-)” exist
Correct Answer:- Option-C
Question64:-For the sequence * {x_n}* **, where *x_n=(-1)*nn*, the ‘ullim x_n is
‏ا‎
‎B:-0

0:-`-00'
Correct Answer:- Option-D

Question65:-Every open set of real numbers is the union of
A:-countable collection of disjoint closed intervals
B:-uncountable collection of disjoint closed intervals
C:-countable collection of disjoint open intervals
D:-uncountable collection of disjoint open intervals
Correct Answer:- Option-C

Question66:-A set ‘E’ is nowhere dense if
A:-closure of *E contains non-empty open sets