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GmatTakerNo.1
- Senior | Next Rank: 100 Posts
- Posts: 37
- Joined: Sat Apr 24, 2010 8:27 am
Hey,
have some problem to solve these questions. Please help me out.
1. Mr. Johnson invested $50,000 into two investments. Part of it he put in a gold mine stock from which he hoped to receive a 20% return per year. The rest he invested in a bank stock which was paying 6 percent per year. If he received $400 more the first year from the bank stock than from the mining stock, how much did he invest in each stock?
Answer: Gold 10000, bank 40000
2. Bob bought a goat. He expected to sell it at a price that would give him a 10% profit on his purchase. However, he had to sell it for $50 less than he expected, which was a loss of 15% on what it cost him. What did Bob pay for the goat?
Answer: 200 $
3. A room contains 160 people, 15% of whom are women. A group of people, 30% of whom are women, leaves the room. Of the people remaining in the room, 10% are women. How many people left the room?
a) 10
b) 20
c) 40
d) 80
e) 120
Answer D
4. John is able to buy 5 more apples for $1.00 when the price per apple decreases 20%. What was the original price of an apple?
Answer: 5 cents
5. A retailer sells cameras at a profit of 10%. If he had paid 10% less for it and sold it for $10 more, he would have made a profit of 25%. How much did it cost him and how much did he sell it for?
Answer: cp=400, sp= 440
6. A trader discovers that he can buy goods 10% cheaper if he gets them directly from the manufacturer. However, the cost of transportation increases by $100 per trip. If he makes a total savings of $250 per trip, what is the cost he pays to the manufacturer?
Answer: 3150 $
7. The interest compounded annually on a certain sum of money is $41.60 after two years. The simple interest on the same amount of money after two years would be $40.00. Find the amount invested if the interest rate would be the same in each investment.
Answer 250$
Thank you in advance.
have some problem to solve these questions. Please help me out.
1. Mr. Johnson invested $50,000 into two investments. Part of it he put in a gold mine stock from which he hoped to receive a 20% return per year. The rest he invested in a bank stock which was paying 6 percent per year. If he received $400 more the first year from the bank stock than from the mining stock, how much did he invest in each stock?
Answer: Gold 10000, bank 40000
2. Bob bought a goat. He expected to sell it at a price that would give him a 10% profit on his purchase. However, he had to sell it for $50 less than he expected, which was a loss of 15% on what it cost him. What did Bob pay for the goat?
Answer: 200 $
3. A room contains 160 people, 15% of whom are women. A group of people, 30% of whom are women, leaves the room. Of the people remaining in the room, 10% are women. How many people left the room?
a) 10
b) 20
c) 40
d) 80
e) 120
Answer D
4. John is able to buy 5 more apples for $1.00 when the price per apple decreases 20%. What was the original price of an apple?
Answer: 5 cents
5. A retailer sells cameras at a profit of 10%. If he had paid 10% less for it and sold it for $10 more, he would have made a profit of 25%. How much did it cost him and how much did he sell it for?
Answer: cp=400, sp= 440
6. A trader discovers that he can buy goods 10% cheaper if he gets them directly from the manufacturer. However, the cost of transportation increases by $100 per trip. If he makes a total savings of $250 per trip, what is the cost he pays to the manufacturer?
Answer: 3150 $
7. The interest compounded annually on a certain sum of money is $41.60 after two years. The simple interest on the same amount of money after two years would be $40.00. Find the amount invested if the interest rate would be the same in each investment.
Answer 250$
Thank you in advance.
