NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 151:

• JAMB 1978

The sum of \(3\frac{7}{8}\) and \(1\frac{1}{3}\) is less than the difference between \(\frac{1}{8}\) and \(1\frac{2}{3}\) by:

A. 3\(\frac{2}{3}\)
B. 5\(\frac{1}{4}\)
C. 6\(\frac{1}{2}\)
D. 8
E. 8\(\frac{1}{8}\)

Question 152:

• JAMB 1978

Arrange \(\frac{3}{5}\),\(\frac{9}{16}\), \(\frac{34}{59}\) and \(\frac{71}{97}\) in ascending order of magnitude.

A. \(\frac{3}{5}\), \(\frac{9}{16}\), \(\frac{34}{59}\), \(\frac{71}{97}\)
B. \(\frac{9}{16}\), \(\frac{34}{59}\), \(\frac{3}{5}\) , \(\frac{71}{97}\)
C. \(\frac{3}{5}\), \(\frac{9}{16}\), \(\frac{71}{97}\), \(\frac{34}{59}\)
D. \(\frac{9}{16}\), \(\frac{3}{5}\), \(\frac{71}{97}\), \(\frac{34}{59}\)

Question 153:

• JAMB 1978

Find the square root of 170 - 20\(\sqrt{30}\)

A. 2 \(\sqrt{10}\) - 5\(\sqrt{3}\)
B. 2 \(\sqrt{5}\) - 5\(\sqrt{6}\)
C. 5 \(\sqrt{10}\) - 2\(\sqrt{3}\)
D. 3 \(\sqrt{5}\) - 8\(\sqrt{6}\)

Question 154:

• JAMB 1978

What is the number whose logarithm to base 10 is 2.3482?

A. 223
B. 2228
C. 2.235
D. 22.37
E. 0.2229

Question 155:

• JAMB 1978

If a circular paper disc is trimmed in such a way that its circumference is reduced in the ratio 2:5, In what ratio is the surface area reduced?

A. 8 : 125
B. 2 : 5
C. 8 : 25
D. 4 : 25
E. 4 : 10