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3 marksProblem Solving with Venn Diagrams

CSEC Mathematics · 2003 (Specimen) · Paper 2 · Question 3(a)(ii)

Information about 40 students in Form 6 regarding cell-phones (C) and cars (D).

Write an equation in terms of x to represent that there are 40 students in Form 6, and solve the equation for x.

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Other parts of this question

  1. 3(a)(i)Copy and complete the Venn diagram to illustrate the given information: 18 have cell-phones, 15 drive cars, x have cell-phones and drive cars, 2x have no…[2 marks]
  2. 3(a)(iii)Determine n(C \cap D').[2 marks]
  3. 3(b)(i)The tank contains water to a depth of 6 m. Calculate, to the NEAREST \text{m}^3, the volume of water in the tank.[2 marks]
  4. 3(b)(ii)Water is added to the tank so that the TOTAL volume of water is 650\text{ m}^3. Calculate, correct to 1 decimal place, the depth of the water in the tank.[3 marks]

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