Math, asked by kullunirali, 10 months ago

A man invests Rs. 5000 of his savings in 12%,Rs. 100 shares at Rs. 125, another Rs. 6000 in 15%,Rs. 100 shares at Rs. 120 and remainder in 18% ,Rs. 100 shares at Rs. 140.If his annual income is Rs. 2130,find :
1.the rate of return.
2.the investment in the third company.

Answers

Answered by amitnrw
1

Rate of return = 11.83% , the investment in the third company = 7000  Rs ,

Step-by-step explanation:

Invests Rs. 5000 of his savings in 12%,Rs. 100 shares at Rs. 125,

number of shares = 5000/125  = 40

income per share = (12/100)* 100 = 12  Rs

income = 12 * 40 = 480  Rs

Invests Rs. 6000 of his savings in 15%,Rs. 100 shares at Rs. 120,

number of shares = 6000/120  = 50

income per share = (15/100)* 100 = 15  Rs

income = 15 * 50 = 750  Rs

Invests Rs. X of his savings in 18%, Rs. 100 shares at Rs. 140,

number of shares = X/140

income per share = (18/100)* 100 = 18  Rs

income = 18 * X/140   = 9X/70  Rs

480 + 750 + 9X/20  = 2130

=> 9X/70 = 900

=> X = 7000

the investment in the third company = 7000  Rs

Total investment = 5000 + 6000 + 7000 = Rs 18000

Total income = Rs 2130

Rate of return = (2130/18000) * 100  = 11.83%

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