Mathematics Past Questions And Answers
A basket contains 12 fruits: orange, apple and avocado pear, all of the same size. The number of oranges, apples and avocado pear forms three consecutive integers.
Two fruits are drawn one after the other without replacement. Calculate the probability that:
i. the first is an orange and the second is an avocado pear.
ii.both are of same fruit;
iii. at least one is an apple
View Discussion (0)WAEC 2022 THEORYFind, correct to two decimal places, the mean of 9, 13, 16, 17, 19, 23, 24.
- A. 23.00
- B. 17.29
- C. 16.50
- D. 16.33
Find the volume of the composite solid below.
- A. 2048 cm\(^3\)
- B. 2568 cm\(^3\)
- C. 2672 cm\(^3\)
- D. 1320 cm\(^3\)
Find the total area of the surface of a solid cylinder whose base radius is 4cm and height is 5cm
- A. 56πcm2
- B. 72πcm2
- C. 96πcm2
- D. 192πcm2
Rationalize \(\frac{\sqrt{2} + \sqrt{3}}{\sqrt{2} - \sqrt{3}}\)
- A. \(-5 - 2\sqrt{6}\)
- B. \(-5 + 3\sqrt{2}\)
- C. \(5 - 2\sqrt{3}\)
- D. \(5 + 2\sqrt{6}\)
A man invested a sum of N280.00 partly at 5% and partly at 4%. if the total interest is N12.80 per annum, find the amount invested at 5%
- A. 14.00
- B. 120.00
- C. 140.00
- D. 160.00
Find the value of x such that the expression \(\frac{1}{x}+\frac{4}{3x}-\frac{5}{6x}+1\) equals zero
- A. \(\frac{1}{6}\)
- B. \(\frac{1}{4}\)
- C. \(\frac{-3}{2}\)
- D. \(\frac{-7}{6}\)
If a fair coin is tossed twice, what is the probability of obtaining at least one head?
- A. 0.25
- B. 0.75
- C. 0.5
- D. 0.33
If 2x : (x +1) = 3:2, what is the value of x?
- A. \(\frac{1}{2}\)
- B. 1
- C. \(1\frac{1}{2}\)
- D. 3
The distance between the point (4, 3) and the intersection of y = 2x + 4 and y = 7 - x is
- A. √13
- B. 3√2
- C. √26
- D. 10√5