Jamb Mathematics Past Questions and Answers

Question 431:

• JAMB 2013

Simplify \(\frac{3^{-5n}}{9^{1-n}} \times 27^{n + 1}\)

A. 3²
B. 3³
C. 3⁵
D. 3

Question 432:

• JAMB 2013

If log₁₀4 = 0.6021, evaluate log₁₀4^1/3

A. 0.3011
B. 0.9021
C. 1.8063
D. 0.2007

Question 433:

• JAMB 2013

Simplify \(\frac{\sqrt{5}(\sqrt{147} - \sqrt{12}}{\sqrt{15}}\)

A. 5
B. \(\frac{1}{5}\)
C. \(\frac{1}{9}\)
D. 9

Question 434:

• JAMB 2013

if P = {x:x is odd, \(-1 < x \leq 20\)} and Q is {y:y is prime, \(-2 < y \leq 25\), find P \(\cap\) Q

A. {3,5,7,11,17,19}
B. {3,5,11,13,17,19}
C. {3,5,7,11,13,17,19}
D. {2,3,5,7,11,13,17,19}

Question 435:

• JAMB 2013

If S = \(\sqrt{t^2 - 4t + 4}\), find t in terms of S

A. S² - 2
B. S + 2
C. S - 2
D. S² + 2