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Uma
Subject: Maths
, asked on 7/5/18
represent the set A = ( 0,3/5,4/5) in set builder form
Answer
1
Nehal Mishra
Subject: Maths
, asked on 6/5/18
In a marriage party total 278 guests were present 20 guests took Pepsi and Dew, 23 guests took Dew and Sprite and 21 guest took Pepsi and Sprit and 9 guests took all the three cold drink viz, Pepsi, Sprite and Dew. It is also known that these were equal number of bottle of each of three kind viz. Pepsi, Dew and Sprite.
(a) How many guests took only one bottle cold drink?
(b) How many guests enjoyed Dew or Sprite but not Pepsi?
(c) How many guests enjoyed Pepsi and Dew but not Sprite.
Answer
0
Nehal Mishra
Subject: Maths
, asked on 5/5/18
Q9
Answer
0
Ms Eccentric
Subject: Maths
, asked on 2/5/18
Please solve Asap
Q. If the sum of two unit vectors
A
→
a
n
d
B
→
is also equal to a unit vector, find the magnitude of the vector
A
→
-
B
→
.
Answer
2
अर्कज ..
Subject: Maths
, asked on 1/5/18
Why phi is used here
Answer
3
अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this:
Question No. 10
If four sets, A, B, C, and D, are such that A
⊂
B, B
⊂
C, and C
⊂
D, then which set is equal to the sets (A
∪
C)
∪
(B - D)?
A. A
B. B
C. C
D. D
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this :
Q
u
e
s
t
i
o
n
N
o
.
3
I
f
A
=
x
:
x
∈
p
,
q
w
h
e
r
e
p
,
q
a
n
d
x
∈
N
,
t
h
e
n
w
h
a
t
i
s
t
h
e
v
a
l
u
e
o
f
n
P
(
A
)
?
A
.
2
p
q
-
1
B
.
2
q
-
p
C
.
2
q
-
p
+
1
D
.
2
p
+
q
2
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this :
Q
.
If
N
,
the
set
of
all
natural
numbers
,
is
considered
as
the
universal
set
,
then
what
is
the
complement
of
the
set
{
x
:
x
∈
(
a
,
b
]
where
x
,
a
,
and
b
∈
N
}
?
A
.
1
,
2
,
3
,
.
.
.
.
.
.
,
a
∪
b
,
b
+
1
,
.
.
.
.
.
.
B
.
1
,
2
,
3
,
.
.
.
.
.
.
.
,
a
-
1
∪
b
,
b
+
1
,
.
.
.
.
.
.
C
.
1
,
2
,
3
,
.
.
.
.
.
.
.
,
a
∪
b
+
1
,
b
+
2
,
.
.
.
.
.
.
D
.
1
,
2
,
3
,
.
.
.
.
.
,
a
-
1
∪
b
+
1
,
b
+
2
,
.
.
.
.
.
.
.
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
Solve this:
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
No links
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
No links
Q
.
I
f
n
(
A
)
+
n
(
B
)
=
(
a
+
b
)
2
a
n
d
n
(
A
-
B
)
+
n
(
B
-
A
)
=
(
a
-
b
)
2
,
t
h
e
n
w
h
a
t
i
s
t
h
e
v
a
l
u
e
o
f
n
(
A
∪
B
)
?
A
.
2
a
b
B
.
a
2
+
b
2
C
.
2
(
a
2
b
2
)
D
.
a
2
-
b
2
Answer
1
अर्कज ..
Subject: Maths
, asked on 29/4/18
No links
Question No. 19
Use the following information to answer the next question. In a survey of 45 people, it was found that 22 people like to watch sports channel, 27 people like to watch entertainment channel, 13 people like to watch sports and entertainment channel, 15 people like to watch entertainment and news channel, 12 people like to watch both the news and sports channel, and 6 people like to watch all the three channels. Each of the surveyed people likes to watch at least one of the three channels.
What is the sum of the number of people who like to watch sports channel only and the number of people who like to watch news channel only?
A. 7
B. 9
C. 12
D. 16
Answer
1
Vidya Sai
Subject: Maths
, asked on 28/4/18
Can anyone suggest me the name of the book (including authors name) to crack IIT JEE and IIT ADVANCED?
Answer
1
Ms Eccentric
Subject: Maths
, asked on 28/4/18
How log
xyz
( xyz )^2 = 2?
Answer
2
Aarohi
Subject: Maths
, asked on 28/4/18
Solve this:
Q. (v)
x
∈
R
:
x
>
x
.
Answer
2
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What are you looking for?
(a) How many guests took only one bottle cold drink?
(b) How many guests enjoyed Dew or Sprite but not Pepsi?
(c) How many guests enjoyed Pepsi and Dew but not Sprite.
Q. If the sum of two unit vectors is also equal to a unit vector, find the magnitude of the vector .
Question No. 10
If four sets, A, B, C, and D, are such that A B, B C, and C D, then which set is equal to the sets (A C) (B - D)?
A. A
B. B
C. C
D. D
Question No. 19
Use the following information to answer the next question. In a survey of 45 people, it was found that 22 people like to watch sports channel, 27 people like to watch entertainment channel, 13 people like to watch sports and entertainment channel, 15 people like to watch entertainment and news channel, 12 people like to watch both the news and sports channel, and 6 people like to watch all the three channels. Each of the surveyed people likes to watch at least one of the three channels.
What is the sum of the number of people who like to watch sports channel only and the number of people who like to watch news channel only?
A. 7
B. 9
C. 12
D. 16
Q. (v) .