Jamb Mathematics 2021 Past Questions and Answers

Question 31:

• JAMB 2021

find the value of p if the line which passes through (-1, -p) and (-2,2) is parallel to the line 2y+8x-17=0?

A. \(\frac{-2}{7}\)
B. \(\frac{7}{6}\)
C. \(\frac{-6}{7}\)
D. 2

Question 32:

• JAMB 2021

The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm\(^3\), then the volume of the other block is?

A. 234.00 cm³
B. 526.50 cm³
C. 166.00 cm³
D. 687cm³

Question 33:

• JAMB 2021

Find the derivative of the function y = 2x\(^2\)(2x - 1) at the point x = -1?

A. 18
B. 16
C. -4
D. -6

Question 34:

• JAMB 2021

Correct 241.34(3 x 10\(^{-3}\))\(^2\) to 4 significant figures

A. 0.0014
B. 0.001448
C. 0.0022
D. 0.002172

Question 35:

• JAMB 2021

Find the mean deviation of 1, 2, 3 and 4

A. 1.0
B. 1.5
C. 2.0
D. 2.5