Postal or Sorting Assistants Model Paper 2 With Solutions

Question : 25 of 100

Marks: +1, -0

A jar of oil was four fifths full. When six bottles of oil w-ere taken out and four bottles of oil were poured into, it was three fourths full. How many bottles of oil were contained by the jar ?

Validate

Solution:

(d) Let the capacity of the jar be of x bottles.
since 6 bottles were taken out from jar and 4 bottles of oil poured into it Therefore, we have
⇒

4/5 x-2 =3/4 x

⇒

4/5x-3/4 x=2 ⇒ x=40

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