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1
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following elements corrodes rapidly?
A
Aluminium
B
Iron
C
Zinc
D
Silver
2
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
20 g of common salt is dissolved in 180g of water. What is the mass percentage of the salt in the solution?
A
5%
B
9%
C
10%
D
15%
3
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
The valency of an element depends upon the
A
total number of protons in an atom
B
mass number of an atom
C
total number of neutrons in an atom
D
total number of electrons in the outermost shell of an atom
4
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Match List I with List II and select the correct answer using the code given below the Lists.

Image
A
A B C D
3 1 2 4
B
A B C D
3 2 1 4
C
A B C D
4 2 1 3
D
A B C D
4 1 2 3
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Questions Asked from Marks 2.5
NDA Subjects
Mathematics
Algebra
Sets, Relations and FunctionsLogarithmsQuadratic Equations and InequalitiesSequence And SeriesBinomial TheoremMatricesDeterminantsPermutations and CombinationsProbabilityComplex NumbersVector AlgebraThree Dimensional GeometryStatistics
Trigonometry
Trigonometric Angles and EquationsInverse Trigonometric FunctionHeight and DistanceProperties of Triangles
Coordinate Geometry
Coordinate System and Straight LineCircleParabolaEllipseHyperbolaConic Section
Calculus
FunctionsLimit, Continuity and DifferentiabilityDifferentiationApplication of DerivativesIndefinite IntegrationDefinite IntegrationArea Under The CurvesDifferential Equations
English
General Science
General Studies