Neco Mathematics Questions
Question 81:
Find x if (x - 2)2 = 1\(\frac{7}{9}\)
- A \(\frac{2}{3}\) or \(\frac{2}{7}\)
- B 3\(\frac{1}{3}\) or \(\frac{2}{3}\)
- C 3\(\frac{7}{9}\) or \(\frac{2}{7}\)
- D 3\(\frac{1}{3}\) or \(\frac{7}{9}\)
- E \(\frac{3}{7}\) or \(\frac{2}{9}\)
Question 82:
Find the surface area of a sphere whose radius is 3.5cm, correct your answer to one decimal place (π = \(\frac{22}{5}\))
- A 12.8cm2
- B 25.7cm2
- C 77.0cm2
- D 154.0cm2
- E 179.7cm2
Question 83:
Two angles of a triangle are 450 each and its longest side is 12cm. Find the length of one of the other sides
- A 12cm
- B 9\(\sqrt{2}\)cm
- C 6\(\sqrt{2}\)cm
- D 6cm
- E 3\(\sqrt{2}\)cm
Question 85:
If y varies inversely as x2, how does x vary with y?
- A X varies inversely as y2
- B X varies inversely as \(\sqrt{y}\)
- C X varies directly as y2
- D X varies directly as \(\sqrt{y}\)
- E X varies directly as y