Quantitative Aptitude Ques 356
Question: A and B have their monthly incomes in the ratio 8: 5, while their monthly expenditures are in the ratio 5: 3. If they have saved Rs. 12000 and Rs. 10000 monthly respectively, then the difference in their monthly in comes is
Options:
A) Rs. 52000
B) Rs. 46000
C) Rs. 44000
D) Rs. 42000
Show Answer
Answer:
Correct Answer: D
Solution:
- Let A’s and B’s monthly income be 8x and 5x and expenditures be 5y and 3y.
$ \therefore $ $ 8x-5y=12000 $ (i) and $ 5x-3y=10000 $ … (ii) From Eqs. (i) and (ii), we get $ x=14000 $ and $ y=20000 $
$ \therefore $ A’s income $ =8x=8\times 14000=Rs.,112000 $ B’s income $ =5x=5\times 14000=Rs.,70000 $
$ \therefore $ Difference $ =112000-70000=Rs.,42000 $
BETA
