Postal or Sorting Assistants Model Paper 1 With Solutions

Question : 45 of 100

Marks: +1, -0

The average age of four members of a family is 20 years. If the age of grandfather be included, the average age is increased by 9 years. The age of grandfather is

48 years
52 years
65 years
72 years

Validate

Solution:

(c)Age of grandfather =

[29×5 - 20×4]

= 65 years

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