Questions 11–17 of 17. Imported answers require independent review unless marked reviewed.

Topic practice 17 questionsPage 2 of 2

Question 6

Open question
GAMCQ2 marksNeeds review
Given below are two statements 1 and 2, and two conclusions I and II.
Statement 1: All entrepreneurs are wealthy.
Statement 2: All wealthy are risk seekers.
Conclusion I: All risk seekers are wealthy.
Conclusion II: Only some entrepreneurs are risk seekers.
Based on the above statements and conclusions, which one of the following options is CORRECT?
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Question 7

Open question
GAMCQ2 marksNeeds review
P, Q, R and S are to be uniquely coded using α and β. If P is coded as αα and Q as αβ, then R and S, respectively, can be coded as _____.
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Question 2

Open question
GAMCQ1 markNeeds review
Some students were not involved in the strike.
If the above statement is true, which of the following conclusions is/are logically necessary?
Some who were involved in the strike were students.
No student was involved in the strike.
At least one student was involved in the strike.
Some who were not involved in the strike were students.
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Question 4

Open question
GAMCQ1 markNeeds review
Five numbers 10, 7, 5, 4 and 2 are to be arranged in a sequence from left to right following the directions given below:
No two odd or even numbers are next to each other.
The second number from the left is exactly half of the left-most number.
The middle number is exactly twice the right-most number.
Which is the second number from the right?
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Question 10

Open question
GAMCQ2 marksNeeds review
In a detailed study of annual crow births in India, it was found that there was relatively no growth during the period 2002 to 2004 and a sudden spike from 2004 to 2005. In another unrelated study, it was found that the revenue from cracker sales in India which remained fairly flat from 2002 to 2004, saw a sudden spike in 2005 before declining again in 2006. The solid line in the graph below refers to annual sale of crackers and the dashed line refers to the annual crow births in India. Choose the most appropriate inference from the above data.
Diagram for Metallurgical Engineering question 10

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Question 58

Open question
GAMCQ1 markNeeds review
A rule states that in order to drink beer, one must be over 18 years old. In a bar, there are 4 people. P is 16 years old, Q is 25 years old, R is drinking milkshake and S is drinking a beer. What must be checked to ensure that the rule is being followed?
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Question 62

Open question
GAMCQ2 marksNeeds review
Each of P, Q, R, S, W, X, Y and Z has been married at most once. X and Y are married and have two children P and Q. Z is the grandfather of the daughter of P. Further, Z and W are married and are parents of R. Which one of the following must necessarily be FALSE?
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