Jamb Mathematics Questions
Question 1:
The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is
- A 1.5
- B 0.8
- C 1.0
- D 1.02
- E 1.05
Question 2:
\((1.28 \times 10^{4}) \div (6.4 \times 10^{2})\) equals
- A 2 x 10<sup style='font-size: smaller;'>-5 </sup>
- B 2 x 10<sup style='font-size: smaller;'>-1</sup>
- C 2 x 10<sup style='font-size: smaller;'>1</sup>
- D 2 x 10<sup style='font-size: smaller;'>-4</sup>
Question 3:
If the value of \(\pi\) is taken to be \(\frac{22}{7}\), the area of a semi-circle of diameter 42m is
- A 5544m<sup style='font-size: smaller;'>2</sup>
- B 1386m<sup style='font-size: smaller;'>2</sup>
- C 132m<sup style='font-size: smaller;'>2</sup>
- D 264m<sup style='font-size: smaller;'>2</sup>
- E 693m<sup style='font-size: smaller;'>2</sup>
Question 5:
In \(\bigtriangleup\)PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to PQ. Find the length of RS
- A 4cm
- B 32cm
- C \(\frac{30}{7}\)
- D \(\frac{40}{7}\)
- E 4.8cm