MENSURATION - Practice Mode

1) What is the formula for total surface area of a cylinder?

2 Pi r (h + r) Pi r (h + r) Pi rh 2 Pi rh

Correct Answer: 2 Pi r (h + r)

2) What is the volume of a rectangular tank of 30 m length, 20m width and 10m height?

5900 m<sup>3</sup> 6000 m<sup>3</sup> 6100 m<sup>3</sup> 6200 m<sup>3</sup>

Correct Answer: 6000 m<sup>3</sup>

3) What is volume of the cylinder whose radius is 7 cm and height 12 cm?

1842 c.c 1844 c.c 1846 c.c 1847 c.c

Correct Answer: 1847 c.c

4) What is the volume of sphere of radius 7 cm?

1436 cm<sup>3</sup> 1463 cm<sup>3</sup> 1346 cm<sup>3</sup> 1636 cm<sup>3</sup>

Correct Answer: 1436 cm<sup>3</sup>

5) What is the formula for finding volume of a hollow cylinder having outer radius 'R' inner radius 'r' and height 'h'?

Pi (R<sup>2</sup> - r<sup>2</sup>)h Pi/3 (R<sup>2</sup> - r<sup>2</sup>) h 2/3 Pi (R<sup>2</sup> - r<sup>2</sup>) h 4/3 Pi (R<sup>2</sup> - r<sup>2</sup>)h

Correct Answer: Pi (R<sup>2</sup> - r<sup>2</sup>)h

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