Question

3. 18 men can do a piece of work in 10 days. How many men should be reduced if the work is to be
completed in 15 days?
4. A hostel had rations for 50 days for 700 students. After 14 days, 200 more students join the hostel. How
long will the remaining ration last?
ulor to his school with a speed of 12 km/hr and reaches in 25 minutes. If he wants to reach school​

Answer 1

Answer:

3.Question answer

less mean more days

let x men be required

18 : x : : 15 : 10

(6×3) : (6×2) : : (5×3) : (5×2)

[ x=6 ]

that is, 6 men required