Question

39. Three years ago, the average age of A, B and C was 27 years and that of B and C 5 years ago was 20
years. A's present age is
(a) 30 years
(b) 35 years
(c) 40 years
(d) 48 years
11​

Answer 1

Answer:

900

Step-by-step explanation:

please thank my answe

Answer 2

Answer:

40 years

Step-by-step explanation:

Let present age of A, B and C be x, y and z years

3(x−3)+(y−3)+(z−3)=27

⇒x+y+z=90

Also,2y−5+z−5=20

⇒y+z=50

1. ⇒x=90−50=40 years
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