Day 34: NDA Maths
5 questions. Try each one first, then open its answer.
Question 1
Probability. This type asked 3 times: NDA 2 2022, NDA 1 2023, NDA 2 2024. This one: NDA 2 2024
109A natural number is chosen at random from the first 100 natural numbers. What is the probability that ?Tap an option to check your answer.
Question 2
Sets & Relations. This type asked 3 times: NDA 2 2018, NDA 2 2022, NDA 2 2024. This one: NDA 2 2024
40In a class of 240 students, 180 passed in English, 130 passed in Hindi and 150 passed in Sanskrit. Further, 60 passed in only one subject, 110 passed in only two subjects and 10 passed in none of the subjects. How many passed in all three subjects?Tap an option to check your answer.
Question 3
Trigonometric Identities. This type asked 3 times: NDA 1 2019, NDA 1 2020, NDA 2 2024. This one: NDA 2 2024
30What is equal to?Tap an option to check your answer.
Question 4
Trigonometric Identities. This type asked 3 times: NDA 1 2020, NDA 2 2022, NDA 2 2024. This one: NDA 2 2024
29What is equal to?Tap an option to check your answer.
Question 5
Vectors. This type asked 3 times: NDA 2 2021, NDA 2 2022, NDA 2 2024. This one: NDA 2 2024
53Let be the angle between two unit vectors and . If is perpendicular to , then what is equal to?Tap an option to check your answer.