Ram and Hari can cut 12 kgs nuts in 2 days. After 5 days, Hari left the work. Ram took 8 more days to cut the rest of the nuts. If total of 58 kgs of nuts
were cut, the time taken by Hari to cut 10 kg of nuts is
1). 1 days
2). 2 days
3). 3 days
4). 4 days
In 2 days Ram and Hari will cut = 12 kg nuts
In 1 day Ram and Hari will cut = 12/2 = 6 kg nuts
In 5 days Ram and Hari will cut = 5×6 = 30 kg nuts.
The residual amount of nuts = (58-30)= 28 kg nuts.
Now,
In 8 days Ram will cut = 28 kg nuts
In 1 day Ram will cut = 28/8 kg nuts
In 1 day Hari will cut = (6- 28/8) = 2.5 kg nuts
Hari will cut 2.5 kg nuts in = 1day
Hari will cut 1 kg nuts in = 1/2.5 day
Hari will cut 10 kg nuts in = 10/2.5 day = 4 days (answer)