Jamb Mathematics Questions - Indices, Logarithms and Surds
Question 22:
Express the product of 0.00043 and 2000 in standard form.
- A 8.6 x 10<sup style='font-size: smaller;'>-3</sup>
- B 8.3 x 10<sup style='font-size: smaller;'>-2</sup>
- C 8.6 x 10<sup style='font-size: smaller;'>-1</sup>
- D 8.6 x 10
Question 23:
If r varies inversely as the square root of s and t, how does s vary with r and t?
- A S varies inversely as r and t<sup style='font-size: smaller;'>2</sup>
- B S varies inverely as r<sup style='font-size: smaller;'>2</sup> and t
- C S varies directly as r<sup style='font-size: smaller;'>2</sup> and t<sup style='font-size: smaller;'>2</sup>
- D S varies directly as r and t
Question 24:
In the diagram given, find the value of x.
- A 30<sup style='font-size: smaller;'>o</sup>
- B 40<sup style='font-size: smaller;'>o</sup>
- C 45<sup style='font-size: smaller;'>o</sup>
- D 15<sup style='font-size: smaller;'>o</sup>
Question 25:
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\(\frac{1}{8}\)