Day 83: NDA Maths
5 questions. Try each one first, then open its answer.
Question 1
Logarithms. This type asked 2 times: NDA 1 2018, NDA 1 2021. This one: NDA 1 2018
19What is equal to ?Tap an option to check your answer.
Question 2
Matrices & Determinants. This type asked 2 times: NDA 2 2018, NDA 1 2021. This one: NDA 1 2021
7If are in GP, then what is the value of ?Tap an option to check your answer.
Question 3
Matrices & Determinants. This type asked 2 times: NDA 2 2019, NDA 1 2021. This one: NDA 1 2021
18If the determinant , then what is equal to?Tap an option to check your answer.
Question 4
Probability. This type asked 2 times: NDA 1 2020, NDA 1 2021. This one: NDA 1 2021
115If , and , then which of the following is/are correct? 1. and are independent events. 2. and are mutually exclusive events.Tap an option to check your answer.
Question 5
Statistics. This type asked 2 times: NDA 1 2017, NDA 1 2021. This one: NDA 1 2021
112The mean of 12 observations is 75. If two observations are discarded, then the mean of the remaining observations is 65. What is the mean of the discarded observations?Tap an option to check your answer.