Mathematics Past Questions

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3316

The area of a rhombus is 110 cm\(^2\). If the diagonals are 20 cm and (2x + 1) cm long, find the value of x.

A. 5.0
B. 4.0
C. 3.0
D. 2.5

View Answer & Discuss (4) WAEC 2015

3317

Simplify: \(\frac{3x - y}{xy} - \frac{2x + 3y}{2xy} + \frac{1}{2}\)

A. \(\frac{4x + 5y - xy}{2xy}\)
B. \(\frac{5y - 4x + xy}{2xy}\)
C. \(\frac{5x + 4y - xy}{2xy}\)
D. \(\frac{4x - 5y + xy}{2xy}\)

View Answer & Discuss (2) WAEC 2015

3318

A farmer uses \(\frac{2}{5}\) of his land to grow cassava, \(\frac{1}{3}\) of the remaining for yam and the rest for maize. Find the part of the land used for maize

A. \(\frac{2}{15}\)
B. \(\frac{2}{5}\)
C. \(\frac{2}{3}\)
D. \(\frac{4}{5}\)

View Answer & Discuss (3) WAEC 2015

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3319

The rate of consumption of petrol by a vehicle varies directly as the square of the distance covered. If 4 litres of petrol is consumed on a distance of 15km. how far would the vehicle go on 9 litres of petrol?