17.
A labourer gets Rs. 2250 for 9 days work. How many days must 7 labourers work so as to get Rs.
3500
Answers
By using unitary method we can solve the question
Salary of Labourer in 9 days = Rs. 2250
Salary of Labourer in 1 day = Rs. 2250 ÷ 9
= Rs. 250
Days needed by Labourer to make Rs. 3500 are = Rs. 3500 ÷ 250
= 14 Days
The Labourer need 14 days to get Rs. 3500.
Amannnscharlie
Answer:
7 labourers must work for 2 days so as to get Rs.3500 in wages.
Step-by-step explanation:
A labourer gets Rs.2250 for 9 days.
=> A labourer gets Rs.(2250/9) for 1 day
=> A labourer gets Rs.250 for 1 day
=> One labour-day is worth Rs.250
[One labour-day is 1 labourer working for 1 day]
=> Rs.3500 will be worth (3500/250) labour-days
=> Rs.3500 will be worth 14 labour-days.
1 labour-day = 1 labourer x 1 day
We have 7 labourers.
=> 14 labour-days = 7 labourers x 2 days
[We need to get 14 labour-days from 7 workers. This can be got by making them work for 2 days.]
Answer: 7 labourers must work for 2 days so as to get Rs.3500 in wages.