Indices, Logarithms and Surds - Jamb Mathematics Past Questions and Answers

Question 161:

• JAMB 2008

If \(\frac{1+\sqrt{2}}{1-\sqrt{2}}\) is expressed in the form of x+y√2 find the values of x and y

A. (-3, -2)
B. (-2, 3)
C. (3,2)
D. (2,-3)

Question 162:

• JAMB 2009

If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280

A. 3.4471
B. 2.4471
C. 1.4471
D. 1.4071

Question 163:

• JAMB 2009

Simplify \(\frac{5+\sqrt{7}}{3+\sqrt{7}}\)

A. 17-√7
B. 4-√7
C. 15+√7
D. 7-√7

Question 164:

• JAMB 2010

Evaluate \(\left(\frac{81}{16}\right)^{\frac{-1}{4}}\times 2^{-1}\)

A. ¹/₃
B. 3
C. 6
D. ¹/₆

Question 165:

• JAMB 2010

Evaluate \(\left(\frac{81}{16}\right)^{\frac{-1}{4}}\times 2^{-1}\)

A. ¹/₃
B. 3
C. 6
D. ¹/₆