Question

A man invests Rs. 4500 at the rate of 5% per annum. How much more should he invests at the rate of 8%, so that he earned a total of 6% per annum?​

Answer 1

Answer:

Rs. 562.50

Step-by-step explanation:

Investment 1

• Sum1- 4500
• Rate1- 5%
• Gain1=4500*0.05= 225

Investment2

• Sum2 -x
• Rate2- 8%
• Gain2=0.08x

Overall gain= 6% is combination of 2 investments:

• (x+4500)*0.06=225+0.08x
• 0.06x+270=225+0.08x
• 0.08x=45
• x=45/0.08
• x=562.5

Sum2 = Rs. 562.50