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Indian Navy INET Mathematics — practice by topic

Browse 66 questions across 67 Mathematics topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Mathematics topics

Probability & Statistics (6)Sequences and Series (6)Algebra (5)Binomial Theorem (5)Correlation and Regression (5)Geometry (5)Linear Programming (5)Mean (5)Median (5)Permcomb (5)Permutations and Combinations (5)Sequences (5)Areas Related to Circles (4)Integrals (4)Logarithms (4)Matrices and Determinants (4)Surface Areas and Volumes (4)Vector Algebra (4)Vectors & 3D Geometry (4)Coordinate Geometry (3)HCF and LCM (3)Matrices (3)Number Theory (3)Statistics (3)Application of Derivatives (2)Application of Integrals (2)Circles (2)Continuity and Differentiability (2)Determinants (2)Differential Equations (2)Integral Calculus (2)Inverse Trigonometric Functions (2)Polygons (2)Probability (2)Three Dimensional Geometry (2)Triangles (2)Vectors (2)Binomial Distribution (1)Calculus (1)Centroid of Tetrahedron (1)Class11 Sets Basics (1)Class11 Sets Operations (1)Class12 Functions Basics (1)Class12 Relations Basics (1)Collinear Vectors (1)Conic Sections (1)Definite Integrals (1)Definite Integration (1)Introduction to Trigonometry (1)JEE Main 2023 Mixed (1)Limits and Continuity (1)Limits and Derivatives (1)Log Tangent (1)Mathematics (1)Mensuration (1)Probability Mass Function (1)Quadratic Equations (1)Real Numbers (1)Relations and Functions (1)Sequences and Series Gp (1)

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A square matrix $A$ is called **idempotent** if:Read the answer and worked solution →A square matrix $A$ satisfies $A^T A = I$. Such a matrix is called:Read the answer and worked solution →Two non-zero vectors $\vec a$ and $\vec b$ are **collinear** (parallel) if and only if there exists a non-zero scalar $m$ such that:Read the answer and worked solution →The position vector of the centroid of the **tetrahedron** with vertices $A(\vec a), B(\vec b), C(\vec c), D(\vec d)$ is:Read the answer and worked solution →

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