Logical MCQ

Which one of the following statements is true? compare .98 ____ .980 using (<, >, =)

Answer

Correct Answer: =

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You use the logical ____ operator to reverse the meaning of a boolean expression.

Answer

Correct Answer: NOT

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In the problem solving process, the final step is to try to ______.

Answer

Correct Answer: Review your results

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If star a is closer to us than star b, then star a's stellar parallax is __________.

Answer

Correct Answer: Larger than that of star B

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If p → q is true, then ~ q → ~ p is __________ false.

Answer

Correct Answer: Never

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If p → q is true, then ~ p → ~ q is __________ true.

Answer

Correct Answer: Always

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An enterprising businessman earns an income of Rs 1 on the first day of his business. On every subsequent day, he earns an income which is just double of that made on the previous day. On the 10th day of business, his income is:

Answer

Correct Answer: 29

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Statements : X @ Y, Y # T, T $ V, V @ R Conclusions : I. X @ V II. X # V III. V @ Y

Answer

Correct Answer: Only III is true

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1, 1, 2, 6, 24, ? , 720

Answer

Correct Answer: 120

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In a certain code EASE is written as GUCG.How is CUT written?

Answer

Correct Answer: VWE

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In a certain code language, ‘134’ means ‘Good and Tasty’, ‘478’ means ‘see good pictures’ and ‘729’ means ‘pictures are faint’. Which of the following numerical symbols stands for ‘see’?

Answer

Correct Answer: 8

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There is clear evidence that the mandated use of safety seats by children under age four has resulted in fewer child fatalities over the past five years. Compared to the five-year period prior to the passage of laws requiring the use of safety seats, fatalities of children under age four have decreased by 30 percent. Which one of the following, if true, most substantially strengthens the argument above?

Answer

Correct Answer: The number of serious automobile accidents involving ...........children under age four has remained steady over the ...........past five years

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For the tobacco executives' argument to be logically correct, which of the following must be assumed?

Answer

Correct Answer: Substances that are not regulated by the Federal Drug ...........Administration are not addictive

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AH, DK, GN, JQ, ? , PW

Answer

Correct Answer: MT

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The ages of Neera and Shalu are in the ratio of 2 : 1. What is the age of Shalu? (A) The ages of Shalu and Sugandha are in the ratio of 2 : 1. (B) After 4 years the ratio of Neera’s and Shalu’s ages will be 3 : 2.

Answer

Correct Answer: 2

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If the code of ABCDEF is ZYXWVU, then what is the code for PASS?

Answer

Correct Answer: KZHH

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A man has a job which requires him to work 8 straight days and rest on the ninth day. If he started work on a Monday, the 12th time he rests will be on what day of the week?

Answer

Correct Answer: Wednesday

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Statements : D @ J, J * K, K % M, M $ N Conclusions : I. D @ M II. M # J III. N * D

Answer

Correct Answer: Only I and II are true

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Six boys - Arun, Anil, Bhanu, Bhaskar, Chaitanya and Charan are standing in a queue, not necessarily in that order. Also it is known that, (i) Arun is standing at one of the ends of the queue. (ii) No two boys, having their names starting with the same alphabet, are adjacent to each other. (iii) The name of the boy who is immediately in front of Anil has the same letter as the first letter in his name as that of the boy who is immediately behind Anil. (iv) Chaitanya stood immediately behind Arun. Who stood at the rear end of the queue?

Answer

Correct Answer: Charan

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Nalini, her brother, her daughter and her son are tennis players and are playing a game of doubles. Their positions on the court are as follows: Nalini’s brother is directly across the net from her daughter Her son is diagonally across the net from the worst player’s sibling. Who is the best player?

Answer

Correct Answer: Nalini’s brother

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Ever since I arrived at the college last week, I've been shocked by the poor behavior of the students. The student population is completely lacking in proper social skills. Which of the following, if true, would weaken the above conclusion?

Answer

Correct Answer: The college numbers over 50,000 students.

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What is the value of the two digit number? (A) The product of the digits is 28 and the difference between the digits is 3. (B) The digit at the unit place is smaller than the other.

Answer

Correct Answer: 3

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A boy is asked to put in a basket one mango when ordered ‘one’.One orange when ordered ‘two’ , one apple when ordered ‘three’ and is asked to take out from the basket one mango and an orange when ordered ‘four’. A sequence of orders is given as 1 2 3 3 2 1 4 2 3 1 4 2 2 3 3 1 4 1 1 3 2 3 4 How many oranges are there in the basket after the above sequence?

Answer

Correct Answer: 2

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In a certain code, CAT is written as SATC and DEAR is written as SEARD. How would SING be written in that code?

Answer

Correct Answer: SINGS

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Bags I, II and III together have ten balls. If each bag contains at least one ball, how many balls does each bag have? Decide whether the data given in the statements are sufficient to answer the question. Statement (1): Bag I contains five balls more than bag III. Statement (2): Bag II contains half as many balls as bag I

Answer

Correct Answer: BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked

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What is the rate of p.c.p.a. on an amount of Rs. 15,000/- deposited in a Bank? (A) The simple interest for two years is Rs. 3,600/-. (B) The difference between the simple interest and compound interest is Rs. 216/-.

Answer

Correct Answer: 1

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