Geometry And Trigonometry Jamb Mathematics Past Questions
Question 66
A solid cylinder of radius 3cm has a total surface area of 36\(\pi\)cm2. Find its height
- A. 2cm
- B. 3cm
- C. 4cm
- D. 5cm
- E. 6cm
Question 67
The ratio of the areas of similar triangles is necessarily equal to
- A. the ratio of the corresponding sides
- B. the ratio of the squares of corresponding sides
- C. the ratio of the corresponding heights of the triangles
- D. half the ratio of the corresponding heights of the triangles
- E. the ratio of the corresponding bases to the heights of the triangles
Question 68
A square of cardboard is taped at the perimeter by a piece of ribbon 20cm long. What is the area of the board?
- A. 20sq.cm
- B. 100sq.cm
- C. 25sq.cm
- D. 16sq.cm
- E. 36sq.cm
Question 69
An arc of circle of radius 2cm subtends an angle of 60º at the centre. Find the area of the sector
- A. \(\frac{2 \pi}{3}\)cm2
- B. \(\frac{\pi}{2}\)cm2
- C. \(\frac{\pi}{3}\)cm2
- D. \(\pi\)cm2
Question 70
A canal has rectangular cross section of width10cm and breadth 1m. If water of uniform density 1 gm cm-3 flows through it at a constant speed of1000mm per minute, the adjacent sea is
- A. 100000
- B. 1000000
- C. 120000
- D. 30000
- E. 350000
