Question

20 labourers complete the construction of a building in 24 days. In how many days would 16 labourers complete the construction ?
IN RATIO FORM. QUESTION FROM RATIO AND PROPORTION CHAPTER

Answer 1

Answer:

19.2 days

Step-by-step explanation:

let x be the missing days

20 : 24 = 16 : x

multiply 24 by 26 and 20 by x

24 (16) = 20(x)

384 = 20x

divide both sides by 20

384/20 = 20x/20

19.2 = x

Answer 2

Answer:

The above condition is in inverse variation

we know, x=k/y

1st case

x=24,y=20

24=k/20

k=25×20

k=480

2nd case

y=16,then x=?

we know,

x=k/y

x=480/16

×=30

Therefore, 16 labourers will take 30 days.