At present , father's age is 4 times more than that of his son . 6 years ago father's age was 10 times more than of his son. What is their present age?
ক) 56 and 14 years
খ) 40 and 10 years
গ) 32 and 8 years
ঘ) 36 and 9 years
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ক) 30
খ) 40
গ) 60
ঘ) 84
ক) National Academy for Educational and Management
খ) National Academy for Education and Management
গ) National Academy for Environmental Management
ঘ) No Answer
ক) 3 sec
খ) 9 sec
গ) 8 sec
ঘ) 6 sec
ক) Import duty
খ) Income tax
গ) Value added tax
ঘ) Interest
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