Jamb Mathematics Past Questions and Answers

Question 2051:

• 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 2052:

• 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 2053:

• 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 2054:

• JAMB 2011

Make R the subject of the formula if T = \(\frac {KR^2 + M}{3}\)

A. \(\sqrt\frac{3T - K}{M}\)
B. \(\sqrt\frac{3T - M}{K}\)
C. \(\sqrt\frac{3T + K}{M}\)
D. \(\sqrt\frac{3T - K}{M}\)

Question 2055:

• JAMB 2011

Find the remainder when X³ - 2X² + 3X - 3 is divided by X² + 1

A. 2X - 1
B. X + 3
C. 2X + 1
D. X - 3