Question

It took 15days for heads of labourers to dig a pond at Bakultala village. let's work out using the rule of three method in how many days 25headsof labourers could have completed the said work
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Answer 1

Answer:

Solution:-

Let the no. of days take by 16 labour to dig the same pond be x.

Given that no. of days taken by 20 labour to dig a pond =12

∴ work done by 20 labour in 12 days = work done by 16 labour in x days

⇒20×12=16×x

⇒x=

16

20×12

=15

Hence, 16 labour will dig the same pond in 15 days.

Step-by-step explanation:

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Answer 2

Answer:

theorem1:-

The Rule of Three is a Mathematical Rule that allows you to solve problems based on proportions. By having three numbers: a, b, c,

(a)Direct proportions rule of 3:-

if a

b

c

then

(b)inverse proportions rule of 3:-

if a

b

c

then

formula:- (i)direct method----

(ii)indirect or inverse proportions xy=k

(iiii)d1

t1=d2

t2

given:-

method used is called indirect method

d1

t1=d2

t2

30

15=25

t2

18=t2

Therefore 25 labourers will work for 18 day

Step-by-step explanation:

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