NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 516:

• JAMB 2011

If log₃18 + log₃3 - log₃x = 3, Find x.

A. 1
B. 2
C. O
D. 3

Question 517:

• JAMB 2011

Rationalize \(\frac{2 - \sqrt5}{3 - \sqrt5}\)

A. \(\frac{1 - \sqrt5}{2}\)
B. \(\frac{1 - \sqrt5}{4}\)
C. \(\frac{ \sqrt5 - 1}{2}\)
D. \(\frac{1 + \sqrt5}{4}\)

Question 518:

• JAMB 2011

Simplify (\(\sqrt2 + \frac{1}{\sqrt3})(\sqrt2 - \frac{1}{\sqrt3}\))

A. \(\frac{7}{3}\)
B. \(\frac{5}{3}\)
C. \(\frac{5}{2}\)
D. \(\frac{3}{2}\)

Question 519:

• JAMB 2011

Raial has 7 different posters to be hanged in her bedroom, living room and kitchen. Assuming she has plans to place at least a poster in each of the 3 rooms, how many choices does she have?

A. 49
B. 170
C. 21
D. 210

Question 520:

• JAMB 2011

From the venn diagram above, the complement of the set P\(\cap\)Q is given by

A. {a, b, d, e}
B. {b, d}
C. {a, e}
D. {c}