The angles of a quadrilateral are (x + 10)o, 2yo, 90o and (100 – y)o, Find y in terms of x
- A. y = 160 + x
- B. y = 100 + x
- C. y = 160 - x
- D. y = x - 100
If the volume of a cube is 343cm3, find the length of its side
- A. 3cm
- B. 6cm
- C. 7cm
- D. 96cm
PQR is a sector of a circle centre O, radius 4cm. If PQR = 30o, find, correct to 3 significant figures, the area of sector PQR. [Take \(\pi = \frac{22}{7}\)]
- A. 4.19cm2
- B. 8.38cm2
- C. 10.5cm2
- D. 20.9cm2
Simplify: \(\frac{2x^2 – 5x – 12}{4x^2 – 9}\)
- A. \(\frac{x + 4}{2x + 3}\)
- B. \(\frac{x + 4}{2x - 3}\)
- C. \(\frac{x - 4}{2x + 3}\)
- D. \(\frac{x - 4}{2x - 3}\)
If p = \(\frac{3}{5} \sqrt{\frac{q}{r}}\), express q in terms of p and r
- A. \(\frac{9}{25} pr^2\)
- B. \(\frac{9}{25} p^2r\)
- C. \(\frac{25}{9} p^2r\)
- D. \(\frac{25}{9} pr^2\)
If 4y is 9 greater than the sum of y and 3x, by how much is y greater than x?
- A. 3
- B. 6
- C. 9
- D. 12
Factorize 5y2 + 2ay – 3a2
- A. (a - y)(5y - 3a)
- B. (y - a)(5y - 3a)
- C. (y - a)(5y + 3a)
- D. (y + a)(5y - 3a)
Given that x = 2 and y = -\(\frac{1}{4}\), evaluate \(\frac{x^2y – 2xy}{5}\)
- A. zero
- B. \(\frac{1}{5}\)
- C. 1
- D. 2
Simplify \(\frac{\frac{1}{x} + \frac{1}{y}}{x + y}\)
- A. \(\frac{1}{x + y}\)
- B. \(\frac{1}{xy}\)
- C. x + y
- D. xy
A trader bought 100 tubers at 5 for N350.00. She sold them in sets of 4 for N290.00. Find her gain percent.
- A. 3.6%
- B. 3.5%
- C. 3.4%
- D. 2.55
P naira invested for 4 years invested for 4 years at r% simple interest per annum yields 0.36 p naira interest. Find the value of r
- A. 1\(\frac{1}{9}\)
- B. 1\(\frac{4}{9}\)
- C. 9
- D. 11
Simplify \(\sqrt{50} + \frac{10}{\sqrt{2}}\)
- A. 10
- B. 10\(\sqrt{2}\)
- C. 20
- D. 20\(\sqrt{2}\)
Evaluate \(\frac{(3.2)^2 – (4.8)^2}{3.2 + 4.8}\)
- A. -0.08
- B. -1.60
- C. -10.24
- D. -12.80