The respective ratio between the present age of son, mother, father and grandfather is 2 : 7 : 8 : 12. The average age of son and mother is 27 years. What will be mother's age after 7 years?

Report

Report an issue

Name

Email

Message

Submit

Cancel

BANK PO Exam (UCO Bank) 2011 click here to view all questions

The respective ratio between the present age of son, mother, father and grandfather is 2 : 7 : 8 : 12. The average age of son and mother is 27 years. What will be mother's age after 7 years?

A40 years

B41 years

C48 years

D49 years

Nithin ? undefined

Correct answre is: 49 years

Explanation:

According to the question,
\(\Large \frac{2x+7x}{2}=27\)

\(\implies \Large 9x = 27 \times 2 = 54\)

\(\implies x = \frac{54}{9}=6\)

Therefore Mother's age after 7 years

\(= \Large 7x + 7 = 7 \times 6 + 7\)

= 49 years

All DiscussionsClick here to write answer

Correct answre is: 49 years Explanation: According to the question, \(\Large \frac{2x+7x}{2}=27\) \(\implies \Large 9x = 27 \times 2 = 54\) \(\implies x = \frac{54}{9}=6\) Therefore Mother's age after 7 years \(= \Large 7x + 7 = 7 \times 6 + 7\) = 49 years Nithin ? answered undefined All Comments

Post your answers here:

Post

Post your comments here:

Message

Post

Cancel