2010 · Q77
Smaller lead shots are to be prepared by using the material of a spherical lead shot of radius 1 cm. Some possibilities are listed in the statements given below :
- 1The material is just sufficient to prepare 8 shots each of radius 0.5 cm.
- 2A shot of radius 0.75 cm and a second shot of radius 0.8 cm can be prepared from the available material.
Which of the above statements is/are correct ?
Elementary MathematicsMensuration
- A1 only
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
Explanation
8×(0.5)³=1 and (0.75)³+(0.8)³<1, so both hold.