2015 · Q66
The diameter of a wheel- that makes 452 revolutions to move 2 km and 26 decametre is equal to
Elementary MathematicsMensuration
- A19/22 m
- B113/22 m
- C25/11 m
- D27/11 m
Explanation
2260 m in 452 revolutions: circumference 5 m, so d = 5/pi = 5 x 7/22 = 35/22 = 1 13/22 m. Hence option (b). (The stored option texts dropped the integer parts; (b) is 1 13/22 m.)