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NECO 2023

2023 NECO Mathematics Past Questions

Browse the 2023 NECO Mathematics past questions with answers and step-by-step explanations. Mathematics rewards practice. The syllabus spans Number & Numeration, Algebra, Geometry & Trigonometry, Calculus and Statistics, and the questions favour candidates who have rehearsed the standard problem patterns repeatedly under time pressure. Use the year archive below to time yourself the way the actual exam does — most candidates need to work questions across multiple years before the patterns become obvious.

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Sample NECO Mathematics questions

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  1. Q12004MEDIUMChemistry

    in any chemical reaction, the total mass of products is always equal to that of the reactants. This Is statement of the law of:

    1. A.conservation of matter.
    2. B.Constant composition✓ Correct
    3. C.definite proportions.
    4. D.multiple proportions.
    5. E.reciprocal proportions.
  2. Q22006MEDIUMChemistry

    in any chemical reaction, the total mass of products is always equal to that of the reactants. This Is statement of the law of:

    1. A.conservation of matter.
    2. B.Constant composition
    3. C.definite proportions.
    4. D.multiple proportions.✓ Correct
    5. E.reciprocal proportions.
  3. Q32009MEDIUMGovernment

    One of functions of the legislature is to

    1. A.A. execute laws
    2. B.B. assent to bills
    3. C.C. ratify treaties
    4. D.D. interpret laws✓ Correct
  4. Q42006MEDIUMEnglish

    Complete this question with the most appropriate of the options lettered A - EChildren are not________ to be rude to elders

    1. A.allowed✓ Correct
    2. B.conditioned
    3. C.imagined
    4. D.intended
    5. E.supposed
  5. Q52005MEDIUMChemistry

    Which of the following metals is NOT extracted by electrolysis?

    1. A.Aluminium
    2. B.Calcium
    3. C.iron✓ Correct
    4. D.Magnesium
    5. E.Sodium
  6. Q62006MEDIUMChemistry

    The reaction C2H6 → C2H + H2 is known as

    1. A.dehydration
    2. B.dehydrogenation
    3. C.displacement
    4. D.hydrogenation✓ Correct
    5. E.reduction
  7. Q72007MEDIUMPhysics

    The length of a simple pendulum is increased by a factor of four. By what factor is its period Increased?

    1. A.0.25✓ Correct
    2. B.0.5
    3. C.1.66
    4. D.2
    5. E.4
  8. Q82004MEDIUMChemistry

    Which compound is a product of the hydrolysis of the of CH$_3$COOC$_3$H$_7$ with aqueous sodium hydroxide?

    1. A.CH3COONa
    2. B.CH3COONaCCH3OH
    3. C.CH3OH✓ Correct
    4. D.C2H5OH
    5. E.C3H7COONa
  9. Q92007MEDIUMPhysics

    In which of the following are crystalline structures observable? I. Gas II. Liquid III. Solid

    1. A.I only
    2. B.II only
    3. C.III only
    4. D.I and III only✓ Correct
    5. E.II and III only
  10. Q102006MEDIUMEnglish

    Choose from the options labelled A to E, the one that has the same vowel sound as the one represented underlined Letter(s). key

    1. A.bit
    2. B.fight
    3. C.pet✓ Correct
    4. D.pit
    5. E.quay
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