Mathematics Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
251

Find the standard deviation of the numbers 3,6,2,1,7 and 5.

  • A. 2.00
  • B. 2.16
  • C. 2.50
  • D. 2.56
View Discussion (0)WAEC 2011 OBJ
252

Find the slope of the curve y = 2x2 + 5x - 3 at (1, 4).

  • A. 4
  • B. 6
  • C. 7
  • D. 9
View Discussion (0)JAMB 2003
253

Bunmi can hoe a yam plot in 5hrs. and Dele can hoe it in 4hrs: If the two men hoe, what fraction of the yam plot will be left to hoe after 2hrs?

  • a. ¼
  • b. 1/5
  • c. 1/8
  • d. 1/10
View Discussion (0)POST UTME UNILORIN
254

In UITH, Dr Steve has worked more night shift than Dr. Greg who has worked five night shifts. Dr Okon has worked fifteen night shifts more than Dr. Steve and Dr. Greg combined.Dr. Uche has worked eight night shifts less than Dr. Steve. How many night shifts has Dr. Steve worked?

  • A) Ten
  • B) Nine
  • C) Eight
  • D) Seven
View Discussion (0)POST UTME UNILORIN
255

Express \(\frac{1}{x^{3}-1}\) in partial fractions

  • A. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{(x + 2)}{x^{2} + x + 1})\)
  • B. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{x - 2}{x^{2} + x + 1})\)
  • C. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{(x - 2)}{x^{2} + x + 1})\)
  • D. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{(x - 1)}{x^{2} - x - 1})\)
View Discussion (0)JAMB 1999
256

(a) Using ruler and a pair of compasses only, construct a :

(i) Trapezium WXYZ such that |WX| = 8 cm, |XY| = 5.5 cm, |YZ| = 8.3 cm, < WXY = 60° and WX // ZY;

(ii) rectangle PQYZ where P and Q are on WX

(b) Measure : (i) |QX| ; (ii) < XWZ.

View Discussion (0)WAEC 2015 THEORY
257

If the 2nd and 5th terms of a G.P are 6 and 48 respectively, find the sum of the first for term

  • A. -45
  • B. -15
  • C. 15
  • D. 45
View Discussion (0)WAEC 1994 OBJ
258

The diagram is the graph of \(y = 6 + x - x^2\). The graph intercepts the x- axis at P and R and the y- axis at Q.

What is the value of y at Q?

  • A. \(6\frac{1}{3}\)
  • B. 6
  • C. 3
  • D. zero
View Discussion (0)WAEC 2002 OBJ
259

From a horizontal distance of 8.5 km, a pilot observes that the angles of depression of the top and the base of a control tower are 30° and 33° respectively. Calculate, correct to three significant figures :

(a) the shortest distance between the pilot and the base of the control tower;

(b) the height of the control tower.

View Discussion (0)WAEC 1991 THEORY
260

A circle with radius 5cm has its radius increasing at the rate of 0.2m/s. What will be the corresponding increase in the area?

  • A. 2π
  • B. 5π
  • C. π
  • D. 4π
View Discussion (0)JAMB 2002