Teaching Chandigarh JBT PRT Mock Test 2023-24 Quantitative Aptitude Average

The age of 4 persons are in the ratio of 13 ∶ 21 ∶ 10 ∶ 25, and their average age is 69 years. Find the difference between the age of the oldest and the youngest person.

1

80 years

2

30 years

3

40 years

4

60 years

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