Direction : The distance (in km) between the home and shop in numerical value…
2020
Direction : The distance (in km) between the home and shop in numerical value is equal to seven more than ¹⁄₃rd of square root of ¹⁄₁₁th of the capacity of the cylindrical jar and the speed of the man is four times of the time taken by him to reach the shop.
Speed of man _________kmph.
- A.
12
- B.
15
- C.
10
- D.
8
- E.
18
Attempted by 3 students.
Show answer & explanation
Correct answer: A
One-eleventh of the cylindrical jar capacity is 83259 / 11 = 7569.
The square root is 87, and one-third of that is 29.
Distance = 7 + 29 = 36 km.
If time is t hours, speed = 4t and distance = 4t^2 = 36, so t = 3 and speed = 12 kmph.