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1
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Let A be a set containing elements. A subset P of the set A is chosen at random. The set A is reconstructed by replacing the elements of P, and anothe
asked
Jan 5, 2021
in
Class 11
by
kratos
probability
class-11
+2
votes
1
answer
Why does the author say that technology has given us a universe entirely for ourselves?
asked
Jan 3, 2021
in
Class 11
by
kratos
class-11
+3
votes
1
answer
Urbanism as a ___________ of life. (solution, way, tradition)
asked
Jan 4, 2021
in
Social Science
by
kratos
class-12
processes of social change in india
+2
votes
1
answer
Which of the following groups have one or more animls which are not pseudocoelomate
asked
Jan 2, 2021
in
Class 11
by
kratos
animal-kingdom
class-11
+1
vote
1
answer
A solution consist of $0.2 M NH_(4)OH$ and $0.2 M NH_(4)Cl$. If $K_(b)$ of $NH_(4)OH$ is $1.8 xx 10^(-5)$, the $[OH^(-)]$ of the resulting is
asked
Jan 8, 2021
in
Class 11
by
kratos
class-11
ionic-equilibrium
+1
vote
1
answer
The greatest term in the expansion of $(1 + 3X)^(54)$ when $ x = (1)/(3)$,is
asked
Jan 2, 2021
in
Class 11
by
kratos
class-11
binomial-theorem-and-its-applciations
+1
vote
1
answer
A bimetallic strip made up of copper and brass as shown below. Which among the following statements is/true about the bimetallic strip? (Expansion of
asked
Jan 3, 2021
in
Class 12
by
kratos
class-7
neet
class-11
class-8
thermal properties of matter
aiims
heat
+2
votes
1
answer
If $AxxB=1, A+B="cosec"theta*sec theta$ then $(A)/(B)$ can be _______
asked
Jan 3, 2021
in
Class 10
by
kratos
trigonometry
class-10
+2
votes
1
answer
f(x) = |(sin2^x, -2cos^2 x, cos2x)(2 + sin^2 x, cos^2 x, cos2x)(sin^2 x, cos^2 x 1+cos2x)|, x ∈ [0,π] then the maximum value of f(x)
asked
Jan 3, 2021
in
JEE
by
kratos
jee
trigonometric functions
jee main 2021
class-11
jee main
jee mains
indefinite integral
+2
votes
1
answer
Mabel is thinking too much about her dress. Pick out two sentences supporting the above statement
asked
Jan 5, 2021
in
Class 12
by
kratos
the new dress
class-12
+1
vote
1
answer
Organ transplantation
asked
Jan 7, 2021
in
Biology
by
kratos
cell-biology-and-biotechnology
class-10
+2
votes
1
answer
The present value of a machine be Rs. $2P$ and every year the value of it decreases by $2r%$. Then the value of the machine after $2n$ years is
asked
Jan 9, 2021
in
Class 10
by
kratos
compound-interest
class-10
+2
votes
1
answer
Genetically modified golden rice variety contains 50 times more amount of Beta carotene.
asked
Jan 5, 2021
in
Biology
by
kratos
cell-biology-and-biotechnology
biotechnology and its applications
class-12
class-10
+3
votes
1
answer
The symbol of cobalt is _______.
asked
Jan 2, 2021
in
Mathematics
by
kratos
class-7
atomic-structure-and-transformation-of-matter
+2
votes
1
answer
Most commonly used substrate for industrial production of beer is …………………. (a) barley
asked
Jan 4, 2021
in
Class 12
by
kratos
enhancement of food production
class-12
+2
votes
1
answer
Which of the following is an example of nucleophilic addition to acetaldehyde ?
asked
Jan 9, 2021
in
Class 11
by
kratos
class-11
organic-reaction-mechanism
+1
vote
1
answer
If $f(x+3)=x^(2)+x-6$ , then one of the factors of $f(x)$ is ________.
asked
Jan 6, 2021
in
Class 10
by
kratos
remainder-and-factor-theorems
class-10
+2
votes
1
answer
Passing $H_(2)*$ gas into a mixture of $Mn^(2+), Ni^(2+), Cu^(2+)$ and $Hg^(2+)$ ions in an acidified aqueous solution precipitates
asked
Jan 8, 2021
in
Class 12
by
kratos
d-&-f-block-elements
class-12
class-11
ionic-equilibrium
appendices
equilibrium
+1
vote
1
answer
What is acid rain ?
asked
Jan 10, 2021
in
Mathematics
by
kratos
class-6
amazing-air
+3
votes
1
answer
Which of the following group (*) is/are $o-$ and p-directing ?
asked
Jan 3, 2021
in
Chemistry
by
kratos
general-organic-chemistry
class-11
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