Jamb Mathematics 2019 Past Questions and Answers

Question 56:

• JAMB 2019

If M varies directly as N and inversely as the root of P. Given that M = 3, N = 5 and P = 25. Find the value of P when M = 2 and N = 6.

A. 36
B. 63
C. 47
D. 81

Question 57:

• JAMB 2019

This table below gives the scores of a group of students in a Further Mathematics Test.

Score	1	2	3	4	5	6	7
Frequency	4	6	8	4	10	6	2

Find the mode of the distribution.

A. 7
B. 10
C. 5
D. 4

Question 58:

• JAMB 2019

This table below gives the scores of a group of students in a Further Mathematics Test.

Score	1	2	3	4	5	6	7
Frequency	4	6	8	4	10	6	2

Calculate the mean deviation for the distribution

A. 4.32
B. 2.81
C. 1.51
D. 3.90

Question 59:

• JAMB 2019

Integrate \(\int (4x^{-3} - 7x^2 + 5x - 6) \mathrm d x\).

A. \(-2x^{-2} - \frac{7}{3}x^3 + \frac{5}{2} x^2 - 6x\)
B. \(2x^2 + \frac{7}{3} x^3 - 5x + 6\)
C. \(12x^2 + 14x - 5\)
D. \(-12x^{-4} - 14x + 5\)

Question 60:

• JAMB 2019

Find the probability that a number selected at random from 21 to 34 is a multiple of 3

A. \(\frac{3}{11}\)
B. \(\frac{2}{9}\)
C. \(\frac{5}{14}\)
D. \(\frac{5}{13}\)