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Recent questions tagged set language
+1
vote
1
answer
If A = {x : x^2 – 5x + 6 = 0}, B = {2, 4}, C = {4, 5} then A × (B ∩ C) is-
asked
Apr 1, 2019
in
JEE
by
kratos
jee
class-9
class-10
icse
set language
jee mains
linear inequation
+1
vote
1
answer
The value of ∞∫0 x^2n+1.e^-x2 dx is (n ∈ W)
asked
Mar 29, 2019
in
JEE
by
kratos
class-11
jee
definite integral
class-9
relations and functions
set language
jee mains
class-12
+1
vote
1
answer
If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13} and C = {11, 13, 153. Find A ∩ (B ∪ C).
asked
Mar 29, 2019
in
JEE
by
kratos
relation
cbse
class-11
jee
function
class-9
set language
jee mains
sets
+2
votes
1
answer
Solve ,125^x+45^x=2(27)^x
asked
Mar 23, 2019
in
Class 10
by
kratos
integers
shares
number system
class-9
class-7
icse
set language
dividends
class-10
dividend
+3
votes
1
answer
1, 2, 3, 5, 7, 11, 13, 17, … : (a) 19 (b) 23 (c) 29
asked
Mar 19, 2019
in
Class 9
by
kratos
class-9
acet
set language
bitsat
+1
vote
1
answer
Who looks down to both the workers and the owners?
asked
Mar 15, 2019
in
Class 12
by
kratos
cbse
class-8
class-11
sources of business finance
class-9
class-12
icse
set language
staffing
struggle for freedom
sets
+1
vote
1
answer
Statement-1 : Two sets A and B have 4 and 5 elements respectively then A ∪ B has at most 9 elements.
asked
Feb 23, 2019
in
Class 11
by
kratos
class-9
class-11
set language
sets
+3
votes
1
answer
Solution set of 3^x(3^x –1) + 2 = |3^x –1| + |3^x – 2| contains (1) singleton set (2) two elements
asked
Feb 19, 2019
in
JEE
by
kratos
class-8
jee
class-9
class-10
relations and functions
set language
jee mains
icse
sets
+1
vote
1
answer
Let * = {1, 2, 3, ... , 100}. The number of non-empty subsets A of * such
asked
Feb 14, 2019
in
JEE
by
kratos
class-11
jee
kvpy
class-9
relations and functions
set language
jee mains
sets
+1
vote
1
answer
For each non-empty subset of {1, 2, 3, 4, 5, 6, 7} arrange the member in decreasing order with alternate '+'
asked
Feb 10, 2019
in
Mathematics
by
kratos
jee
mathematical reasoning
probability
class-9
relations and functions
set language
jee mains
sets
+3
votes
1
answer
….1……. farmer-owned ….2……. piece of land in …..3……village. He grew paddy on it.
asked
Feb 2, 2019
in
Class 12
by
kratos
the aged mother
production and costs
class-9
class-10
set language
class-12
+2
votes
1
answer
If A = ϕ, the empty set, then write the number of elements in P(A).
asked
Jan 12, 2019
in
JEE
by
kratos
cbse
class-11
jee
probability
class-9
relations and functions
set language
jee mains
sets
+2
votes
1
answer
f : A → B will be an onto function of- (a) f(A) ⊂ B (b) f(A) = B (c) f(A) ⊃ B (d) f(A) ≠ B
asked
Jan 6, 2019
in
JEE
by
kratos
class-11
jee
probability
class-9
set language
jee mains
class-12
+1
vote
1
answer
Write the cardinal number of each of the following sets : (i) A = {0, 1, 2, 4} (ii) B = {-3, -1, 1, 3, 5, 7}
asked
Jan 4, 2019
in
Class 9
by
kratos
class-8
class-9
icse
set language
sets
+1
vote
1
answer
Differentiation of u+at w.r.t. 't' will be -
asked
Dec 14, 2018
in
Class 12
by
kratos
neet
control
aiims
jee
chemical coordination
class-9
set language
jee mains
+2
votes
1
answer
Powder is used in carom board for:
asked
Dec 12, 2018
in
Class 9
by
kratos
cbse
class-8
hobby
class-9
force
set language
friction
laws of motion
+1
vote
1
answer
If P(A) = 3/8 : P(B) = 1/2 and P(A ∩ B) = 1/4, then P(A ∪ B) = ...... (a) 0 (b) 5/8 (c) 1 (d) 4
asked
Dec 7, 2018
in
Class 12
by
kratos
class-11
probability
class-9
set language
class-12
sets
+3
votes
1
answer
Find the cardinal number of the following sets : A4 = {b : b ∈ Z and -7 < 3b -1 ≤ 2}
asked
Dec 5, 2018
in
Class 11
by
kratos
class-8
class-11
class-6
class-9
icse
set language
sets
+1
vote
1
answer
If X and Y are two sets such that n(X ∩ Y) = 10, n(X) = 38, n(Y) = 25 then find – n(X ∪ Y).
asked
Dec 4, 2018
in
Class 11
by
kratos
class-9
class-11
set language
sets
+3
votes
1
answer
Find the cardinal number of the following sets : A3 = {p : p ∈ W and 2p - 3 < 8)
asked
Nov 28, 2018
in
Class 9
by
kratos
class-8
class-6
class-9
icse
set language
sets
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