Answers

2014-11-14T14:23:06+05:30
Incomes          Expenditures
 A:B                       A:B
 3;4                         5:7
dif 4-3=1                  dif 7-5=2

Multiply this 1 with 5:7 and multiply this 2 with 3:4 and their common difference is 1 then their savings  1=5000 5000*12=60,000

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sorry small mistake in the ans dif 7-5=2
2014-11-14T14:36:53+05:30
Incomes          Expenditures
 A:B                       A:B
 3;4                         5:7
dif 4-3=1                  dif 7-5=2

Multiply this 1 with 5:7 and multiply this 2 with 3:4 and their common difference is 1 then their savings  1=5000 5000*12=60,000

0