Question Library
Browse our collection of questions across various subjects
Mathematics
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What is the value of u in the system of equations: 3(2u + v) = 7uv, 3(u + 3v) =…
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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A student has to secure 40% of marks to pass an examination. He gets 45 marks and fails by 5…
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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To maintain 8 cows for 60 days, a milkman has to spend ₹6,400. To maintain 5 cows for n days,…
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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How many numbers between 500 and 1000 are divisible by 13?
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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If k is an integer, then x^2 + 7x – 14[k2 – 8/7] = 0 has
CDS Elementary Mathematics 2017
CDS 2017
English
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The non-zero solution of the equation a−x^2/bx = b- x/c = c- x/b = b- x^2, where b ≠ 0,…
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Roots of a(b – c)x² + b(c – a)x + c(a – b) = 0 are equal. Then:
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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If ab divides cd and a, c are coprime, then:
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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If HCF of (x – 1)(x² + 3x + a) and (x + 2)(x² + 2x + b) is x²…
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Factors of x(x + 2)(x + 3)(x + 5) – 72:
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Product of (x + 2)(x – 2)… etc. equals:
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Which of these are NOT perfect squares? 2222, 11664, 343343, 220347
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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If f(x) is divided by (ax – b), remainder is:
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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If (x + 2) is common factor of two quadratics, a : b = ?
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Quotient of (8x³ – y³) ÷ (2xy + 4x² + y²)
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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A beats B by 9 sec in 100m race, after giving 8m head start. A runs at 6 km/h. Speed…
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Train crosses 1 km in 12 sec. How long for 91 km at 60 km/h?
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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A fruit seller sells 75% of good mangoes, left with 95. 5% were rotten. Original count?
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Sudhir bought a chair with discounts of 20%, 12.5% and 5%. Total discount =
CDS Elementary Mathematics 2017
CDS 2017
Mathematics
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Distance between 0.83 and 0.62 on the number line:
CDS Elementary Mathematics 2017
CDS 2017