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NECO SSCE Mathematics 2011 past questions and answers

This 2011 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 2011 set with instant marking.

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Sample NECO SSCE Mathematics 2011 questions

1. If A = [[2, 1], [3, 2]], what is det(A)?
  1. 1
  2. 2
  3. 4
  4. 7

Answer: A. 1

The determinant is (2 x 2) - (1 x 3) = 1.

2. A = (3, -2) and B = (-1, 5); what is A + B?
  1. (2, 3)
  2. (4, 3)
  3. (2, -7)
  4. (-4, 7)

Answer: A. (2, 3)

Add corresponding components to obtain (3 + -1, -2 + 5) = (2, 3).

3. The point (4, -3) is reflected in the x-axis; what is its image?
  1. (-4, -3)
  2. (-4, 3)
  3. (3, 4)
  4. (4, 3)

Answer: D. (4, 3)

Reflection in the x-axis changes the sign of the y-coordinate only.

4. In a right-angled triangle, the side opposite angle theta is 5 cm and the hypotenuse is 13 cm; find sin(theta).
  1. 5/13
  2. 12/13
  3. 5/12
  4. 13/5

Answer: A. 5/13

Sine is opposite divided by hypotenuse, so sin(theta) = 5/13.

5. A ship sails due east from a port; what is its three-figure bearing from the port?
  1. 000 degrees
  2. 090 degrees
  3. 180 degrees
  4. 270 degrees

Answer: B. 090 degrees

Bearings are measured clockwise from north, making due east 090 degrees.

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