Question

anand and bharath can cut 5kg of wood in 20 mins bharath and chandra can cut 10 kg of wood in 80 mins chandra and anand can cut 15kg of wood in 90 mins how much time will chandra will take to cut 5kg of wood​

Answer 1

Step-by-step explanation:

bharat and chandra cut 10kg in 80m

Chandra and anand cut 15kg in 90m

Anand and bharat cut 5kg in 20m

Anand take 10m to cut 5kg wood

Bharat take 10 m to cut 5kg wood

Chandra take 60m to cut 10kg wood

= chandra take 30 m to cut 5kg Wood

Answer 2

Answer:

240 min

Step-by-step explanation:

anand = x

bharath=y

chandra=z

x+y=5/20=1/4

y+z=10/80=1/8

z+x=15/90=1/6

z = 5/?

(x+y)+(z+y)+(z+x)=1/4 +1/8+1/6=13/24

2x +2y +2z = 13/24

2(x+y+z)=13/24

x +y +z =  13/24 / 2= 13/48

(x+y)+z=13/48

(1/4) + z = 13/48

z = 13/48 - 1/4=1/48

z = 5/? = 1/48  

5x48/1

min taken by chandra = 240 min