Logical Reasoning

Logical Reasoning Questions and Answers

Showing 1 - 10 of 107 questions

1

Complete the series 1,6,13,22,33,..

a

46

b

48

c

49

d

51

correct answer a

Pattern is +5, +7, +9, +11
So next number will be +13
=> 33+13 = 46

Match the required items.

2

Shoe

a

sole

b

leather

c

laces

d

walking

correct answer

All shoes have a sole of some sort.Not all shoes are made of leather (choice 2); nor do they all have laces (choice 3).Walking (choice 4) is not essential to a shoe.

3

At a conference, 12 members shook hands with each other before & after the meeting. How many total number of hand shakes occurred?

a

100

b

122

c

132

d

145

correct answer c

The first person shook hands with 11 remaining people, the second person also shook hands with 11 people, but we count 10, as the hand shake with the first person has already been counted. Then add 9 for the third person, 8 for the fourth one & proceeding in this fashion we get: 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 66. Hence 66 hand shakes took place before & 66 after the meeting, for a total of 132.

4

The day after the day after tomorrow is four days before Monday. What day is it today?

a

Monday

b

Tuesday

c

Wednesday

d

Thursday

correct answer a

Four days before Monday is Thursday, simply because four days after Thursday is Monday. Besides, day after the day after tomorrow is Thursday only if present day is Monday.

5

6, 12, 1, 13, 5 is to flame as 2, 12, 15, 1, 20 is to ?

a

voice

b

bald

c

bloat

d

castle

correct answer c

6,12,1,13,5 each number in the break up signifies the corresponding letter in the alphabet. (viz. 6->f, 12->l...etc.)
Similarly 2,12,15,1,20 which signifies bloat.

In each question below is given a statement followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement.

 Give answer

* (A) If only assumption I is implicit

* (B) If only assumption II is implicit

* (C) If either I or II is implicit

* (D) If neither I nor II is implicit

6

Statement: Why don't you invite Anthony for the Christmas party this year?

Assumptions:

1. Anthony is not from the same city.

2. Unless invited Anthony will not attend the party.

a

Only assumption I is implicit

b

Only assumption II is implicit

c

Either I or II is implicit

d

Neither I nor II is implicit

correct answer b

Anthony's place of living is not mentioned in the statement. So, I is not implicit. Assumption II follows from the statement and so it is implicit.

7

A study of native born residents in Newland found that two-thirds of the children developed considerable levels of nearsightedness after starting school, while their illiterate parents and grandparents, who had no opportunity for formal schooling, showed no signs of this disability.

 If the above statements are true, which of the following conclusions is most strongly supported by them?

a

Only people who have the opportunity for formal ...........schooling develop nearsightedness.

b

The nearsightedness in the children is caused by the ...........visual stress required by reading and other class work.

c

Both A and B

d

None

correct answer b

According to the above stated passage only the argument " The nearsightedness in the children is caused by the ...........visual stress required by reading and other class work." will be true

8

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.

G4T, J10R, M20P, P43N, S90L

a

G4T

b

J10R

c

M20P

d

P43N

correct answer b

The first letter of each term is moved three steps forward and the last letter is moved two steps backward to obatin the corresponding letters of the next term.
The numbers follow the sequence x 2 + 1, x 2 + 2, x 2 + 3, x 2 + 4.
So, 10 is wrong and must be replaced by (4 x 2 + 1)  i.e. 9.

9

In alphabet series, some alphabets are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.
adb _ ac _ da _ cddcb _ dbc _ cbda

a

bccba

b

cbbaa

c

ccbba

d

bbcad

correct answer b

The series is adbc acbd abcd dcba dbca cbda.
Thus, the letters equidistant from the beginning and the end of series are the same

10

In following questions, three sequence of alphabets/numerals are provided which correspond to each other in some way. Find out alphabets/numerals that come in the blank places.Choose the correct option

_ A D A C B _ _ B D C C 1 3 _ _ 1 2 4 2 _ _ _ _ a _ _ b _ _ c d ? ? ? ?

a

a, c, d, d

b

a, d, c, c

c

c, a, d, d

d

d, c, a, a

correct answer d

Clearly, b corresponds to A.
1 corresponds to C and a corresponds to 1.
So, a corresponds to C.
2 corresponds to B and d corresponds to 2.
So, d corresponds to B.
So, the remaining lettter  i.e., c corresponds to D.
Thus, BDCC corresponds  to d, c, a, a.

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