Mathematical and Logical Reasoning Test 55

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Mathematical and Logical Reasoning Test 55

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Weekly Quiz Competition

Question 1
1 / -0

Three of the following four are alike in a certain way and hence form a group. Which is the one that does not belong to that group?

A
8

B
13

C
29

D
38

Solution

The numbers are based on the expression ${n}^{2} + 4$
Only 38 does not satisfies the equation.
Question 2
1 / -0

If FRIEND is coded as HUMJTK, how is CANDLE written in that code?

A
EDRIRL

B
DCQHQK

C
ESJFME

D
DEQJQM

Solution

The first, second, third, fourth, fifth and sixth letters of the word are respectively moved two, three, four, five, six and seven steps forward to obtain the corresponding letters of the code.
Hence, the required code is EDRIRL
Question 3
1 / -0

In a certain code language,
(A) pit na som means bring me water
(B) na jo tod means water is life
(C) tub od pit means 'give me toy
(D) jo lin kot means life and death
Which of the following represents 'is' in that language?

A
Jo

B
Na

C
Tod

D
Lin
Question 4
1 / -0

In a certain code language COMPUTER is written as RFUVQNPC. How will MEDICINE be written in that code language?

A
MFEDJJOE

B
EOJDEJFM

C
MFEJDJOE

D
EOJDJEFM

Solution

EOJDJEFM
- There are 8 letters in the word.
- The coded word can be obtained by taking the immediately following letters of word, expect the first and the last letters of the given word but in the reverse order. That means, in the coded form the first and the last letters have been interchanged while the remaining letters are coded by taking their immediate next letters in the reverse order.
Question 5
1 / -0

Three of the following four are alike in a certain way and hence form a group. Which is the one that does not belong to that group?

A
42

B
72

C
110

D
152

Solution

$42 = {7}^{2} - 7$
$72 = {9}^{2} - 9$
$110 = {11}^{2} - 11$
$152 = {12}^{2} + 8$
Except $152$ , others show the trend ${x}^{2} - x$
Question 6
1 / -0

There is a family of six persons A, B, C, D, E and F. They are Lawyer, Doctor, Teacher, Salesman, Engineer and Accountant There are two married couples in the family. D, the Salesman is married to the Lady Teacher. The Doctor is married to the Lawyer. F, the Accountant is the son of B and brother of E. C, the Lawyer is the daughter-in-law of A. E is the unmarried Engineer. A is the grandmother of F. What is the profession of B ?

A
Teacher

B
Doctor

C
Lawyer

D
None of these

Solution

C is the daughter-in-law of A who is the grandmother of F means C is the mother of F But F is the son of B.
So, B is C's husband. But C, the lawyer is married to the Doctor So, B is the Doctor. F, the Accountant, will be the son of B and C, E is the unmarried Engineer.
So, the other named couple can be that of grandmother of F. i.e, A and D But D, the Salesman, is married to the Lady Teacher. So, D, the Salesman, is the grandfather of F, father of B and the husband of A, the Lady Teacher.
Clearly, B is the Doctor.
Question 7
1 / -0

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. Who is the brother-in-law of R ?

A
P

B
Z

C
Y

D
X

Solution

Q is the son of R but R is not the mother. So, R is the Father of Q. P is married to R.
So, P is the wife of R and the mother of Q, X is the daughter of P and hence of R and so she is the Sister of Q, Y is the brother of R and Z is the brother of P.
It is the husband of P and Z 13 the brother of P So, Z Is the brother-In-law of R
Question 8
1 / -0

Find out the wrong term in the series 2, 5, 10, 50, 500, 5000

A
5000

B
500

C
10

D
50

Solution

Each term of the series is the product of the preceding two terms
So, 5000 is wrong and it must be replaced by $(500\times 50) = 25000$
Question 9
1 / -0

Showing the man receiving the prize, Saroj said, "He is the brother of my uncle's daughter." Who is the man to Saroj ?

A
Father

B
Cousin

C
Brother

D
None of these

Solution

Brother of uncle's daughter Uncles son Cousin.
So, the man is Saroj's cousin.
Question 10
1 / -0

Pointing to a man in a photograph, a woman said, "His brother's father is the only son of my grandfather." How is the woman related to the man in the photograph ?

A
Mother

B
Aunt

C
Sister

D
Daughter

Solution

Only son of woman's grandfather is Woman's father. Man's brother's father is Man's father. So. the woman is man's sister.

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Re-Attempt Weekly Quiz Competition

Mathematical and Logical Reasoning Test 55

Result

Mathematical and Logical Reasoning Test 55

Score

-

Rank

-

SHARING IS CARING

Question 1

8

13

29

38

Solution

Question 2

EDRIRL

DCQHQK

ESJFME

DEQJQM

Solution

Question 3

Jo

Na

Tod

Lin

Question 4

MFEDJJOE

EOJDEJFM

MFEJDJOE

EOJDJEFM

Solution

Question 5

42

72

110

152

Solution

Question 6

Teacher

Doctor

Lawyer

None of these

Solution

Question 7

P

Z

Y

X

Solution

Question 8

5000

500

10

50

Solution

Question 9

Father

Cousin

Brother

None of these

Solution

Question 10

Mother

Aunt

Sister

Daughter

Solution

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Question Analysis

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