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NECO SSCE Mathematics 2018 past questions and answers

This 2018 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 2018 set with instant marking.

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Sample NECO SSCE Mathematics 2018 questions

1. In a class of 48 students, 29 study French, 25 study Hausa and 12 study both languages. How many students study neither language?
  1. 6
  2. 8
  3. 10
  4. 12

Answer: A. 6

The number studying at least one language is 29 + 25 - 12 = 42, so 48 - 42 = 6 study neither.

2. Convert 132 base 4 to base 10.
  1. 26
  2. 30
  3. 32
  4. 34

Answer: B. 30

132 base 4 equals 1(4^2) + 3(4) + 2 = 30 in base 10.

3. Express 0.375 as a fraction in its lowest terms.
  1. 5/16
  2. 1/4
  3. 3/8
  4. 7/20

Answer: C. 3/8

0.375 = 375/1000, and dividing numerator and denominator by 125 gives 3/8.

4. A sum of ₦640 is shared between Ada and Bisi in the ratio 3:5. How much does Bisi receive?
  1. ₦240
  2. ₦360
  3. ₦384
  4. ₦400

Answer: D. ₦400

The 8 ratio parts are worth ₦640/8 = ₦80 each, so Bisi receives 5 × ₦80 = ₦400.

5. Find the simple interest on ₦80,000 invested at 7.5% per annum for 2 years.
  1. ₦12,000
  2. ₦10,000
  3. ₦15,000
  4. ₦18,000

Answer: A. ₦12,000

Simple interest is (80,000 × 7.5 × 2)/100 = ₦12,000.

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