NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 511:

• JAMB 2011

If 2q3₅ = 77₈, find q

A. 2
B. 1
C. 4
D. O

Question 512:

• JAMB 2011

Simplify \(\frac{3\frac{2}{3} \times \frac{5}{6} \times \frac{2}{3}}{\frac{11}{15} \times \frac{3}{4} \times \frac{2}{27}}\)

A. \(5\frac{2}{3}\)
B. 30
C. \(4\frac{1}{3}\)
D. 50

Question 513:

• JAMB 2011

A man invested N5,000 for 9 months at 4%. What is the simple interest?

A. N150
B. N220
C. N130
D. N250

Question 514:

• JAMB 2011

If the numbers M, N, Q are in the ratio 5:4:3, find the value of \(\frac{2N - Q}{M}\)

A. 2
B. 3
C. 1
D. 4

Question 515:

• JAMB 2011

Simplify \((\frac{16}{81})^{\frac{1}{4}} \div (\frac{9}{16})^{-\frac{1}{2}}\)

A. \(\frac{2}{3}\)
B. \(\frac{1}{2}\)
C. \(\frac{8}{9}\)
D. \(\frac{1}{3}\)