Question Library
Browse our collection of questions across various subjects
Mathematics
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Suppose E is the differential equation representing family of curves y^2 = 2cx + 2c√c where c is a positive…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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Suppose E is the differential equation representing family of curves y^2 = 2cx + 2c√c where c is a positive…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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Let f(x) = P e^x + Q e^2x + R e^3x where P, Q, R are real numbers. Further f(0)…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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Let f(x) = P e^x + Q e^2x + R e^3x where P, Q, R are real numbers. Further f(0)…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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Let f(x) = P e^x + Q e^2x + R e^3x where P, Q, R are real numbers. Further f(0)…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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In a binomial distribution, if the mean is 6 and the standard deviation is √2, then what are the values…
NDA Mathematics 2024
NDA 2024
Mathematics
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Three perfect dice D₁, D₂ and D₃ are rolled. Let x, y and z represent the numbers on D₁, D₂…
NDA Mathematics 2024
NDA 2024
Mathematics
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Three perfect dice are rolled. Under the condition that no two show the same face, what is the probability that…
NDA Mathematics 2024
NDA 2024
Mathematics
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The occurrence of a disease in an industry is such that the workers have 20% chance of suffering from it.…
NDA Mathematics 2024
NDA 2024
Mathematics
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Two perfect dice are thrown. What is the probability that the sum of the numbers on the faces is neither…
NDA Mathematics 2024
NDA 2024
Mathematics
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For two events A and B, P(A) = P(A|B) = 0.25 and P(B|A) = 0.5. Which of the following are…
NDA Mathematics 2024
NDA 2024
Mathematics
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Urn A contains 2 white and 2 black balls while urn B contains 3 white and 2 black balls. One…
NDA Mathematics 2024
NDA 2024
Mathematics
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A fair coin is tossed till two heads occur in succession. What is the probability that the number of tosses…
NDA Mathematics 2024
NDA 2024
Mathematics
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The mean of the series x₁, x₂, …, xₙ is x̄. If xₙ is replaced by k, then what is…
NDA Mathematics 2024
NDA 2024
Mathematics
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Let ∑xᵢ² = 855. If M is the mean and σₓ is the standard deviation of x₁, x₂, …, x₉,…
NDA Mathematics 2024
NDA 2024
Mathematics
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A = i – jB = j + k Consider the following points: 1.(-1, -3, 1) 2.(-1, 3, 2) 3.(-2,…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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A = i – jB = j + k Consider the following points: 1.(-1, -3, 1) 2.(-1, 3, 2) 3.(-2,…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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Let a vector a=4î-8j+ make angles α, β, γ with the positive directions of x, y, z axes respectively. What…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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Let a vector a=4î-8j+ make angles α, β, γ with the positive directions of x, y, z axes respectively. What…
NDA Mathematics 2023
NDA 2023
Mathematics
Easy
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Let a = 3i + 3j + 3k and c = j – k. Let a be such that a…
NDA Mathematics 2023
NDA 2023