Day 369: NDA Maths
5 questions. Try each one first, then open its answer.
Question 1
Matrices & Determinants. Asked once: NDA 1 2022
9If is the identity matrix of order 3 and is its transpose, then what is the value of the determinant of the matrix ?Tap an option to check your answer.
Question 2
Probability. Asked once: NDA 2 2021
102If , then which one of the following is correct?Tap an option to check your answer.
Question 3
Statistics. Asked once: NDA 1 2018
105If is the mean of and , then what is the mean of ?Tap an option to check your answer.
Question 4
Trigonometric Identities. Asked once: NDA 2 2019
68What is equal to ?Tap an option to check your answer.
Question 5
Vectors. Asked once: NDA 1 2017
67Let be a parallelogram whose diagonals intersect at and let be the origin. What is equal to?Tap an option to check your answer.