Jamb Mathematics Past Questions and Answers

Question 2256:

• JAMB 2015

Find the equation of a line which is form origin and passes through the point (−3, −4)

A. Y = \( \frac{3x}{4} \)
B. Y = \( \frac{4x}{3} \)
C. Y = \( \frac{2x}{3} \)
D. Y = \( \frac{x}{2} \)

Question 2257:

• JAMB 2015

The amount A to which a principal P amounts at r% compound interest for n years is given by the formula A = P(1 + (r ÷ 100)\(^n\). Find A, if P = 126, r = 4 and n = 2.

A. N132.50K
B. N136.30K
C. N125.40K
D. N257.42K

Question 2258:

• JAMB 2015

Make x the subject of the equation
s = 2 + \(\frac{t}{5} \)(x + 3/5y)

A. X = 5[(s − 2) ÷ t] + 3yt
B. X = 25[(s − 2) ÷ t] − 3ty
C. X = [1 ÷ (s − 2)3ty]
D. X = [5(s − 2) 2 ÷ 3ty] x t

Question 2259:

• JAMB 2015

If log₅20 = x, find x

A. 1.761
B. 1.354
C. 1.861
D. 2.549

Question 2260:

• JAMB 2015

Find at which rate per annum simple interest N525 will amount to N588 in 3 years.

A. 3%
B. 2%
C. 5%
D. 4%