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1
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Radon is
A
an inert gas
B
an artificial fibre
C
an explosive
D
a metal
2
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following elements is used in pencil-lead?
A
Zinc
B
Lead
C
Carbon (Graphite)
D
Tin
3
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
The atomic number of an element is 8. How many electrons will it gain to form a compound with sodium?
A
One
B
Two
C
Three
D
Four
4
NDA 2018 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A sample of oxygen contains two isotopes of oxygen with masses 16u and 18u respectively. The proportion of these isotopes in the sample is 3 : 1. What will be the average atomic mass of oxygen in this sample?
A
17.5 u
B
17 u
C
16 u
D
16.5 u
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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