Question

If 9 carpenters can make 9 cots in 9 days, then 1 carpenter will make 1 cot in how many days?Select one:

Answer 1

Answer:

1 carpenter will make 1 cot in 9 days

Step-by-step explanation:

9 cots are made by 9 carpenters  in 9 days

9 cots are made by 1 carpenter in $9 \times 9} = 81\hspace{0.1cm}day$

Also,1 cost is made 1 carpenter in $\frac {81}{9} = 9\hspace{0.1cm}days$

Hence, 1 carpenter will make 1 cot in 9 days

Answer 2

1 carpenters can make 1 cots in 9 days.

Step-by-step explanation:

Given : If 9 carpenters can make 9 cots in 9 days.

To find : 1 carpenter will make 1 cot in how many days?

Solution :

Applying unitary method,

9 carpenters can make 9 cots in 9 days.

So, 1 carpenters can make 9 cots in $9\times 9$ days.

i.e. 1 carpenters can make 9 cots in 81 days.

Now, 1 carpenters can make 1 cots in $\frac{81}{9}$ days.

i.e. 1 carpenters can make 1 cots in 9 days.

Therefore, 1 carpenters can make 1 cots in 9 days.

#Learn more

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