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LOGICAL DEDUCTION : LOGICAL REASONING MCQs

Logical Problems

Total Questions : 121 | Page 7 of 13 pages
Question 61. If the first two statements are true, the third statement is :
I. Mara runs faster than Gail.
II. Lily runs faster than Mara.
III. Gail runs faster than Lily.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option B. -> false
We know from the first two statements that Lily runs fastest. Therefore, the third statement must be false.
Question 62. At the baseball game, Henry was sitting in seat 253. Marla was sitting to the right of Henry in seat 254. In the seat to the left of Henry was George. Inez was sitting to the left of George. Which seat is Inez sitting in?
  1.    251
  2.    254
  3.    255
  4.    256
 Discuss Question
Answer: Option A. -> 251
If George is sitting at Henry's left, George's seat is 252. The next seat to the left, then, is 251.
Question 63. As they prepare for the state championships, one gymnast must be moved from the Level 2 team to the Level 1 team. The coaches will move the gymnast who has won the biggest prize and who has the most experience. In the last competition, Roberta won a bronze medal and has competed seven times before. Jamie has won a silver medal and has competed fewer times than Roberta. Beth has won a higher medal than Jamie and has competed more times than Roberta. Michele has won a bronze medal, and it is her third time competing. Who will be moved to the Level 1 team?
  1.    Roberta
  2.    Beth
  3.    Michele
  4.    Jamie
 Discuss Question
Answer: Option B. -> Beth
Beth won the biggest prize, described as a higher medal than Jamie's, which we've been told was a silver medal. Roberta and Michele both won bronze medals, which are lower ranking medals than silver. Beth is also described as having competed more times than Roberta who has competed seven times. Jamie is described as having competed fewer times than Roberta, and Michele has competed three times. Therefore, Beth has competed more times than the others and has won the biggest prize to date.
Question 64. Four friends in the sixth grade were sharing a pizza. They decided that the oldest friend would get the extra piece. Randy is two months older than Greg, who is three months younger than Ned. Kent is one month older than Greg. Who should get the extra piece of pizza?
  1.    Randy
  2.    Greg
  3.    Ned
  4.    Kent
 Discuss Question
Answer: Option C. -> Ned
If Randy is two months older than Greg, then Ned is three months older than Greg and one month older than Randy. Kent is younger than both Randy and Ned. Ned is the oldest.
Question 65. Ms. Forest likes to let her students choose who their partners will be; however, no pair of students may work together more than seven class periods in a row. Adam and Baxter have studied together seven class periods in a row. Carter and Dennis have worked together three class periods in a row. Carter does not want to work with Adam. Who should be assigned to work with Baxter?
  1.    Carter
  2.    Adam
  3.    Dennis
  4.    Forest
 Discuss Question
Answer: Option A. -> Carter
Baxter should be assigned to study with Carter. Baxter cannot be assigned with Adam, because they have already been together for seven class periods. If Baxter is assigned to work with Dennis, that would leave Adam with Carter, but Carter does not want to work with Adam.
Question 66. Four people witnessed a mugging. Each gave a different description of the mugger. Which description is probably right?
  1.    He was average height, thin, and middle-aged.
  2.    He was tall, thin, and middle-aged.
  3.    He was tall, thin, and young.
  4.    He was tall, of average weight, and middle-aged.
 Discuss Question
Answer: Option B. -> He was tall, thin, and middle-aged.
Tall, thin, and middle-aged are the elements of the description repeated most often and are therefore the most likely to be accurate.
Question 67. If the first two statements are true, the third statement is :
I. The Shop and Save Grocery is south of Greenwood Pharmacy.
II. Rebecca's house is northeast of Greenwood Pharmacy.
III. Rebecca's house is west of the Shop and Save Grocery.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option B. -> false
Because the first two statements are true, Rebecca's house is also northeast of the Shop and Save Grocery, which means that the third statement is false.
Question 68. If the first two statements are true, the third statement is :
I. Oat cereal has more fiber than corn cereal but less fiber than bran cereal.
II. Corn cereal has more fiber than rice cereal but less fiber than wheat cereal.
III. Of the three kinds of cereal, rice cereal has the least amount of fiber.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option A. -> true
From the first statement, we know that bran cereal has more fiber than both oat cereal and corn cereal. From the second statement, we know that rice cereal has less fiber than both corn and wheat cereals. Therefore, rice cereal has the least amount of fiber.
Question 69. If the first two statements are true, the third statement is :
I. Joe is younger than Kathy.
II. Mark was born after Joe.
III. Kathy is older than Mark.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option A. -> true
Joe is younger than Kathy and older than Mark, so Mark must be younger than Kathy.
Question 70. If the first two statements are true, the third statement is :
I. On the day the Barton triplets are born,
II. Jenna weighs more than Jason.
III. Jason weighs less than Jasmine.
Of the three babies, Jasmine weighs the most.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option C. -> uncertain
We only know that Jasmine weighs more than Jason. There is no way to tell whether Jasmine also weighs more than Jenna.

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