Jamb Mathematics Past Questions and Answers

Question 291:

• JAMB 2016

Evaluate \(\frac{0.8 \times 0.43 \times 0.031}{0.05 \times 0.72 \times 0.021}\). Correct to four significant figures.

A. 14.09
B. 14.1
C. 14.12
D. 14.11

Question 292:

• JAMB 2016

An arc subtends an angle of 30^o at the centre of a circle radius 12cm. Calculate the length of the arc.

A. 6\(\pi\)cm
B. 2\(\pi\)cm
C. 3\(\pi\)cm
D. 9\(\pi\)cm

Question 293:

• JAMB 2016

Evaluate \(\int\limits_0^\frac{\pi}{2}\) sin xdx

A. 2
B. -1
C. 1
D. -2

Question 294:

• JAMB 2016

An arc of the length 16\(\pi\)cm subtends an angle of 80^o at the centre of the circle. Find the radius of the circle.

A. 24cm
B. 28cm
C. 36cm
D. 32cm

Question 295:

• JAMB 2016

The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is

A. 2
B. T
C. -t
D. -2