Couples who can answer simple questions tend to be wealthier than those who can't, according to research done by the Rand Corporation, a US think tank. When both spouses answered the questions correctly, family wealth averaged US$1.7 million. When neither spouse got a correct answer, that number was $200,000.
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1.If the chance of getting a disease is 10%, how many people out of 1000 would expected to get the disease?
2.If five people all have the winning numbers in the lottery and the prize is $2 million, how much will each of them get?
3.Let's say you have $200 in a saving account. The account earns 10% interest each year. How much would you have in the account at the end of two years?
Answers:
1.100
2.$400,000
3.$242
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