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NECO SSCE Mathematics 2019 past questions and answers

This 2019 NECO SSCE Mathematics set has 40 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2019 set with instant marking.

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Sample NECO SSCE Mathematics 2019 questions

1. Let U be the integers from 1 to 12 inclusive, A the multiples of 2 in U, and B the multiples of 3 in U; how many elements are in A union B?
  1. 8
  2. 10
  3. 6
  4. 12

Answer: A. 8

A has 6 elements, B has 4, and their 2 common elements give 6 + 4 - 2 = 8 elements in the union.

2. A sum of N840 is shared among three people in the ratio 3:4:5; how much does the person with the smallest share receive?
  1. N180
  2. N210
  3. N280
  4. N350

Answer: B. N210

The ratio has 12 parts, so the smallest share is 3/12 x N840 = N210.

3. Evaluate log base 2 of 32 + log base 3 of 1/9.
  1. 7
  2. -3
  3. 3
  4. -7

Answer: C. 3

Since 2^5 = 32 and 3^-2 = 1/9, the sum is 5 + (-2) = 3.

4. Find the simple interest on N24,000 invested at 5% per annum for 3 years.
  1. N2,400
  2. N3,000
  3. N4,800
  4. N3,600

Answer: D. N3,600

Simple interest = 24,000 x 0.05 x 3 = N3,600.

5. Express 0.375 as a fraction in its lowest terms.
  1. 3/8
  2. 5/8
  3. 3/5
  4. 7/16

Answer: A. 3/8

0.375 = 375/1000, which reduces to 3/8.

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