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The total of the ages of Amar, Akbar and Anthony is 80 years. What was the total of their ages three years ago ?
- a)71 years
- b)72 years
- c)74 years
- d)77 years
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The total of the ages of Amar, Akbar and Anthony is 80 years. What was...
Required sum = (80 - 3 x 3) years = (80 - 9) years = 71 years.
Most Upvoted Answer
The total of the ages of Amar, Akbar and Anthony is 80 years. What was...
Solution:
Let's assume the current age of Amar, Akbar and Anthony as A, B and C respectively.
According to the question,
A + B + C = 80
Three years ago their ages would be (A-3), (B-3) and (C-3) respectively.
So, the total of their ages three years ago would be (A-3) + (B-3) + (C-3)
= A + B + C - 9 (by adding and subtracting 3 from the above equation)
= 80 - 9
= 71
Hence, the total of their ages three years ago was 71 years.
Therefore, option A is the correct answer.
Let's assume the current age of Amar, Akbar and Anthony as A, B and C respectively.
According to the question,
A + B + C = 80
Three years ago their ages would be (A-3), (B-3) and (C-3) respectively.
So, the total of their ages three years ago would be (A-3) + (B-3) + (C-3)
= A + B + C - 9 (by adding and subtracting 3 from the above equation)
= 80 - 9
= 71
Hence, the total of their ages three years ago was 71 years.
Therefore, option A is the correct answer.
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The total of the ages of Amar, Akbar and Anthony is 80 years. What was the total of their ages three years ago ?a)71 yearsb)72 yearsc)74 yearsd)77 yearsCorrect answer is option 'A'. Can you explain this answer?
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