Question Library
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Mathematics
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Let ax³ + bx² + cx + d = 0 for x = (x+1, 2x, 3x, …). Then What is…
NDA Mathematics 2016
NDA 2016
Mathematics
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The sixth term of an AP is 2 and its common difference is greater than 1. What is the first…
NDA Mathematics 2016
NDA 2016
Mathematics
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The sixth term of an AP is 2 and its common difference is greater than 1. What is the common…
NDA Mathematics 2016
NDA 2016
Mathematics
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Let a, x, y, z, b be in AP, where x + y + z = 15. Let a, p,…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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Let a, x, y, z, b be in AP, where x + y + z = 15. Let a, p,…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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Let a, x, y, z, b be in AP, where x + y + z = 15. Let a, p,…
NDA Mathematics 2016
NDA 2016
Mathematics
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What is 47C4 + 51C3 + ∑ (from j=2 to 5) 52Cj – 53Cj equal to ?
NDA Mathematics 2016
NDA 2016
Mathematics
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A five-digit number divisible by 3 is to be formed using the digits 0, 1, 2, 3 and 4 without…
NDA Mathematics 2016
NDA 2016
Mathematics
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Let R be a relation from A = {1, 2, 3, 4} to B = {1, 3, 5} such that…
NDA Mathematics 2016
NDA 2016
Mathematics
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How many geometric progressions is/are possible containing 27, 8 and 12 as three of its/their terms ?
NDA Mathematics 2016
NDA 2016
Mathematics
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What is the number of distinct solutions of the equation z² + |z|² = 0 (where z is a complex…
NDA Mathematics 2016
NDA 2016
Mathematics
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If both the roots of the equation x² – 2kx + k² – 4 = 0 lie between -3 and…
NDA Mathematics 2016
NDA 2016
Mathematics
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If z = (√3/2 + i/2)^107 (√3/2 – i/2)^107 then what is the imaginary part of z equal to ?
NDA Mathematics 2016
NDA 2016
Mathematics
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Out of 15 points in a plane, n points are in the same straight line. 445 triangles can be formed…
NDA Mathematics 2016
NDA 2016
Mathematics
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What is [x y z] [a h g; h b f; g f c] equal to ?
NDA Mathematics 2016
NDA 2016
Mathematics
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If Re((z-1)/(z+1)) = 0, where z = x + iy is a complex number, then which one of the following…
NDA Mathematics 2016
NDA 2016
Mathematics
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What is 100^100 + 200^100 + 300^100 equal to, where ω is the cube root of unity ?
NDA Mathematics 2016
NDA 2016
Mathematics
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f A is a square matrix of order 3 and det A = 5, then what is det [(2A)⁻¹] equal…
NDA Mathematics 2016
NDA 2016
Mathematics
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If A = {x ∈ R : x² + 6x – 7 < 0} and B = {x ∈ R…
NDA Mathematics 2016
NDA 2016
Mathematics
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If c > 0 and 4a + c < 2b, then ax² – bx + c = 0 has a…
NDA Mathematics 2016
NDA 2016