SNAP 2007
For the following questions answer them individually
At a family reunion were the following people: one grandfather, one grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law, and one daughter-in-law. But not as many people attended as it sounds. How many person were there?
On the counter are six squares marked 1, 2, 3, 4, 5, 6. Players are invited to place as much money as they wish on any one square. Three dice are then thrown.
1 If your number appears on one die only, you get your money back plus the same amount.
1 If two dice show your number, you get your money back plus twice the amount you placed on the square.
1 If your number appears on all three dice, you get your money back plus three times the amount.
1 If the number is not on any of the dice, the operator gets your money.
For example, suppose that you bet one Rupee on square No. 6. If one die shows a 6, you get your Rupee back plus another Rupee. If two dice show 6, you get back your Rupee plus two Rupees. If three dice show 6, you get your Rupee back plus three Rupees.
From a player’s point of view, the chance of his number showing on one die is $$\frac{1}{6}$$, but since there are three dice, the chances must be $$\frac{3}{6}$$ or $$\frac{1}{2}$$, therefore the game is a fair one. Of course this is the way the operator of the game wants everyone to reason, for it is quite fallacious.
What is the probable story?
Jaideep was given some money by his mother on his birthday. Jaideep spent all of it in five
stores. In each store he spent one rupee more than half of what he had when he came in.
How much did he get from his mother?
Consider the following two statements to be true if they seem to be at variance from commonly known facts. Then decide which of the given conclusions logically follows from two given statements. Select the correct alternative.
Statements: All Lawyers are extrovert. Some wise men are extrovert.
Conclusions:
(ja) All lawyers are wisemen.
(jb) All wisemen are lawyers.
(jc) Some extrovert are wisemen.
(jd) All extrovert are lawyers.
Use the data given below to answer the questions.
The following are the results of a survey conducted on a small cross-section of
students from Symbiosis Group of institutes, to determine the readership of
three magazines. This survey was conducted in Dec. 2006.
- Number of students who read only Business India was 40
- 60 students read only Outlook
- 110 students read only India Today
- 30 students read all three magazines
- 20 read Business India and India Today, but not Outlook
- 50 read Business India and Outlook, but not India Today
- 40 read Outlook and India Today, but not Business India
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When another survey was conducted in May 2007 with the same set of students, their
tastes had changed and the findings were different. All of them read India Today. 120 read
Outlook, and no one read Business India. Hence, in May 2007, how many students read
only India Today?
For the following questions answer them individually
An ingredient in coffee, known as RTC, has been found to inactivate common cold viruses in experiments. In previous experiments, researchers found that inactivated common cold viruses can convert healthy cells into cancer cells. It can be concluded that the use of coffee can cause cancer. Which one of the following, if true, most seriously weakens the argument?
A census taker approaches a house and asks the woman who answers the door, “How many children do you have, and what are their ages?”
Woman: “I have three children, the product of their ages is 36, the sum of their ages is equal to the address of the house next door.”
The census taker walks next door, comes back and says, “I need more information.” The woman replies, “I have to go, my oldest child is sleeping upstairs.”
Census taker: “Thank you, I now have everything I need.”
What are the ages of each of the three children?
