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Given below is the frequency distribution table regarding the concentration of sulphur dioxide in the air in parts per million
asked
Jan 1, 2018
in
Class 10
by
kratos
cbse
probability
measures of central tendency
class-9
class-10
statistics
+3
votes
0
answers
0.3780 g of an organic compound gave 0.5740 g of silver chloride in Carius estimation. Calculate the percentage of chlorine in the compound.
asked
Jan 1, 2018
in
Chemistry
by
kratos
organic chemistry
cbse
organic compounds
class-11
jee
some basic principles and techniques
jee mains
+3
votes
0
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If log10 (x^3 + y^3) – log10 (x^2 + y^2 – xy) ≤ 2, then the maximum value of xy for all x ≥ 0, y ≥ 0 is
asked
Jan 1, 2018
in
Class 11
by
kratos
linear inequalities
class-9
class-11
class-8
+2
votes
0
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If the first three terms in the expansion of (a + b)^n are 27, 54, and 36 respectively, then find a, b and n.
asked
Jan 1, 2018
in
Class 11
by
kratos
class-11
binomial theorem
class-10
+3
votes
0
answers
The perimeter of a parallelogram is 22 cm. If the longer side measure 6.5 cm, what is the measure of shorter side ?
asked
Jan 1, 2018
in
Class 9
by
kratos
class-8
class-9
quadrilaterals
+3
votes
0
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The mass of a molecule of krypton is 2.25 times the mass of a hydrogen. A mixture of equal masses of three gases is enclosed in a vessel,
asked
Jan 1, 2018
in
Class 11
by
kratos
class-11
kinetic theory
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