Question

ए और बी की मासिक आय का अनुपात 9:7 है और उनके मासिक व्यय का अनुपात 4:3 है यदि उनमें से प्रत्येक ₹200 मासिक बचाता जाता है तो प्रत्येक की मासिक आय ज्ञात कीजिए

Answer 1

mana ki anupato main x & y samil hai
a ka mansik aay=9x
b ka mansik aay=7x
a ka mansik bayaa=4y
b ka mansik bayaa=3y
a ka bachat =9x-4y=200
b ka bachhat=7x-3y=200
so..9x-4y=7x-3y
2x=y..put the value of y in eq1
x=200
a ka aay=1800
b ka aay=1400

Answer 2

Answer:

The income of A and B are 1800 and 1400 respectively.

Step-by-step explanation:

The ratio of income of A and B is 9:7. Let their income are 9x and 7x respectively.

The ratio of expenditure of A and B is 4:3. Let their expenditure are 4y and 3y respectively.

Savings of A and B are 200 Rs per month.

Savings = Income - expenditure

$9x-4y=200$            ... (1)

$7x-3y=200$            .... (2)

On solving (1) and (2), we get

$x=200$

$y=400$

The income of A is

$9x=9(200)=1800$

The income of B is

$7x=7(200)=1400$

Therefore the income of A and B are 1800 and 1400 respectively.