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The ratio of the income of A to that of B is 5:7. A and B save Rs. 4000 and Rs. 5000 respectively. If the expenditure of A is equal to `66 2/3`% of the expenditure of B, then the total income of A and B is :
A की आय और B की आय में 5 : 7 का अनुपात है | A और B महीने में क्रमश 4000 और 5000 रुपये की बचत करते हैं | यदि A का व्यय B के व्यय के `66 2/3`% के बराबर है, तो A और B की कुल आय ज्ञात करें |

A

Rs. 25,200

B

Rs. 24,000

C

Rs. 26,400

D

Rs. 28,800

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