Logical Reasoning Test

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Logical Reasoning Test - 15

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Weekly Quiz Competition

Question 1
5 / -1

Read the given statement and conclusions carefully. Select which conclusion(s) is/are true based on the given statement
Statements:
R > M = G < L > S
Conclusions:
I. M < S
II. M < L

A
Only conclusion I is follow.

B
Only Conclusion II is follow.

C
Either I or II is follow.

D
Neither I nor II follow.

Solution

Given statements: R > M = G < L > S.
Conclusions:
I. M < S → False (As, M = G < L > S → Thus, clear relation between M and S cannot be determined).
II. M < L → True (As, M = G < L → M < L).
Hence, 'Only conclusion II is follow'.
Question 2
5 / -1

If ‘A’ means ‘÷’, ‘B‘ means ‘×’, ‘C’ means ‘+’ and ‘D’ means ‘-‘ then what is the value of:
230 A 5 C 6 B 5 D 3

A
77

B
75

C
76

D
73

Solution

The logic followed here is:
Decoding the information,
Symbol
A
B
C
D
Meaning
÷
×
+
-

BODMAS rule table:
Given the equation: 230 A 5 C 6 B 5 D 3
After replacing the signs in the equation in the place of symbols using the BODMAS rule,
= 230 ÷ 5 + 6 × 5 - 3
= 46 + 6 × 5 - 3
= 46 + 30 - 3
= 76 - 3
= 73
Hence, the correct answer is "73".
Question 3
5 / -1

Some equations are solved on the basis of a certain system. On the same basis find out the correct answer from alternatives for the unsolved equation.
27 × 8 = 5
125 × 64 = 9
216 × 125 = ?

A
12

B
11

C
30

D
10

Solution

LOGIC: Cube Root of First Number + Cube Root of Second Number = Third Number
The logic is given below;
In 27 × 8 = 5 →
In 125 × 64 = 9 →
Similarly,
In 216 × 125 = ? →
So, 216 × 125 = 11
Hence, Option (2) is correct.
Question 4
5 / -1

Ratio of present age of A and B is 9 : 4. The difference between their ages is 20 years. What will be the sum (in years) of their ages after 10 years?

A
72

B
66

C
56

D
76

Solution

Let the present age of A = 9x
and present age of B = 4x
According to question:
9x - 4x = 20
5x = 20
x = 4
So, Age of A = 9 × 4 = 36 years
Age of B = 4 × 4 = 16 years
after 10 years;
Age of A = 36 + 10 = 46 years
Age of B = 16 + 10 = 26 years
Sum of age of A and B = 46 + 26 = 72 years
Hence, "72" is the correct answer.

Question 5

5 / -1

A team of four members is to be formed out of four girls : G1, G2, G3 and G4 and five boys : B1, B2, B3, B4 and B5. Following conditions should be kept in mind:

I. Minimum two boys should be in the team.

II. If B3 is selected, then G2 will not be selected.

III. G3 and B5 will be in the same team.

Which of the following teams can be formed?

B1, B2, G4, G3

G3, B2, G2, B5

B4, B1, B5, G2

G3, G1, B2, B4

Solution

Four girls: G1, G2, G3 and G4

Five boys: B1, B2, B3, B4 and B5.

Options: →	Option 1	Option 2	Option 3	Option 4
Conditions: ↓	B1, B2, G4, G3	G3, B2, G2, B5	B4, B1, B5, G2	G3, G1, B2, B4
I. Minimum two boys should be in the team.	Yes	Yes	Yes	Yes
II. If B3 is selected, then G2 will not be selected.	Yes	Yes	Yes	Yes
III. G3 and B5 will be in the same team.	No	Yes	No	No

So, teams with ‘G3, B2, G2, B5’ can be formed.

Hence, ‘G3, B2, G2, B5’ is the correct answer.

Question 6
5 / -1

If '+' stands for '×', '×' stands for '÷', '-' stands for '+' and '÷' stands for '-', what would be the value of the given equation.
10 + 15 × 3 - 4 ÷ 10 = ?

A
44

B
50

C
46

D
47

Solution

Given equation is:
10 + 15 × 3 - 4 ÷ 10 = ?
Decoding the given information:
Symbol Stands for
+ ×
× ÷
- +
÷ -

Substituting the operations in the equation:
10 × 15 ÷ 3 + 4 - 10 = ?
BODMAS Rule:
Using the BODMAS Rule:
10 × 15 ÷ 3 + 4 - 10
= 10 × 5 + 4 - 10
= 50 + 4 - 10
= 54 - 10
= 44
Hence, the correct answer is "44".
Question 7
5 / -1

Six subjects Physics, Chemistry, Biology, Ecology, Hindi and English are taught from Monday to Saturday. Each day, one subject is taught. Hindi is taught just after Ecology and just before English. Biology is taught after English. Physics and Ecology are taught on Tuesday and Wednesday respectively. Which subject is taught on Monday?

A
Biology

B
Chemistry

C
Hindi

D
English

Solution

According to the given information :
Six subjects Physics, Chemistry, Biology, Ecology, Hindi, and English are taught from Monday to Saturday.
1) Physics and Ecology are taught on Tuesday and Wednesday respectively.
Day Subject
Monday
Tuesday Physics
Wednesday Ecology
Thursday
Friday
Saturday

2) Hindi is taught just after Ecology and just before English.
Day Subject
Monday
Tuesday Physics
Wednesday Ecology
Thursday Hindi
Friday English
Saturday

3) Biology is taught after English.
Day Subject
Monday Chemistry
Tuesday Physics
Wednesday Ecology
Thursday Hindi
Friday English
Saturday Biology

So, Chemistry subject is taught on Monday.
Hence, the correct answer is "Chemistry".
Question 8
5 / -1

If A means '×', B means '+', C means '-' and D means '÷', then what will be the value of the given equation?
(30 B 6) D 3 C 2 A 5

A
4

B
2

C
6

D
8

Solution

The logic follows here is :
Symbol A B C D
Meaning × + - ÷

Given equation is : (30 B 6) D 3 C 2 A 5
Replacing the symbols as per given meanings and using BODMAS rule:
(30 + 6) ÷ 3 - 2 × 5
= 36 ÷ 3 - 2 × 5
= 12 - 2 × 5
= 12 - 10
= 2
Hence, the correct answer is "2".
Question 9
5 / -1

Five persons A,B,C,D and E are sitting one above the other on a ladder (not necessarily in the same order) B is sitting above A with one person between them. Only two persons are sitting between A and C. If C is not sitting top, then who is sitting in the middle?

A
C

B
D

C
E

D
B

Solution

Five persons A,B,C,D and E are sitting one above the other on a ladder (not necessarily in the same order).
1) B is sitting above A with one person between them.
2) Only two persons are sitting between A and C. If C is not sitting top, the figure are given below -
In which there is two case in which first one is -
Second case are given below -
After observation of both cases, B is the sitting in the middle.
Hence, "B" is the correct answer.
Question 10
5 / -1

A statement is given followed by two conclusions. Find which conclusion(s) is /are true based on the given statement.
Statements:
K > M < L = Z = O < P
Conclusions:
I. P < Z
II. M = Z

A
Only Conclusion II is correct.

B
Both Conclusion correct

C
Only Conclusion I is correct.

D
Neither Conclusion I nor II correct

Solution

Given statements: K > M < L = Z = O < P.
Conclusions:
I. P < Z → False (As, L = Z = O < P → P > Z).
II. M = Z → False ( M < L = Z → M < Z and L = Z).
Hence, "Neither Conclusion I nor II correct".

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Re-Attempt Weekly Quiz Competition

Day	Subject
Monday
Tuesday	Physics
Wednesday	Ecology
Thursday
Friday
Saturday

Day	Subject
Monday	Chemistry
Tuesday	Physics
Wednesday	Ecology
Thursday	Hindi
Friday	English
Saturday	Biology

Symbol	A	B	C	D
Meaning	÷	×	+	-

Symbol	Stands for
+	×
×	÷
-	+
÷	-

Symbol	A	B	C	D
Meaning	×	+	-	÷

Logical Reasoning Test - 15

Result

Logical Reasoning Test - 15

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Rank

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SHARING IS CARING

Question 1

Only conclusion I is follow.

Only Conclusion II is follow.

Either I or II is follow.

Neither I nor II follow.

Solution

Question 2

77

75

76

73

Solution

Question 3

12

11

30

10

Solution

Question 4

72

66

56

76

Solution

Question 5

B1, B2, G4, G3

G3, B2, G2, B5

B4, B1, B5, G2

G3, G1, B2, B4

Solution

Question 6

44

50

46

47

Solution

Question 7

Biology

Chemistry

Hindi

English

Solution

Question 8

4

2

6

8

Solution

Question 9

C

D

E

B

Solution

Question 10

Only Conclusion II is correct.

Both Conclusion correct

Only Conclusion I is correct.

Neither Conclusion I nor II correct

Solution

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