Mathematical and Logical Reasoning Test 15

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Mathematical and Logical Reasoning Test 15

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Weekly Quiz Competition

Question 1
1 / -0

If in a certain code JOSEPH is coded as FKOALD, then GEORGE will be coded in the same way as

A
CBJNCA

B
CANKCA

C
CAKNCA

D
CAKCNA

E
CNKACA

Solution

In the given code,each letter of the word is coded by moving the alphabet four steps backward.
Applying the same logic,
G $\rightarrow$ (-4) C
E $\rightarrow$ (-4) A
O $\rightarrow$ (-4) K
R $\rightarrow$ (-4) N
G $\rightarrow$ (-4) C
E $\rightarrow$ (-4) A
So, option C.
Question 2
1 / -0

If air is called green, green is called blue, blue is called sky, sky is called yellow, yellow is called water and water is called pink then what is the colour of the clear sky?

A
pink

B
sky

C
water

D
blue

Solution

Sky is blue but blue is called sky. Therefore, sky is the colour of sky.
Answer is Option B
Question 3
1 / -0

Find the one that does not belong to the group.

A
$\text{ECA}$

B
$\text{JHF}$

C
$\text{OMK}$

D
$\text{TRP}$

E
$\text{UWY}$

Solution

All other groups contain alternate letters from right to left.
Question 4
1 / -0

If PLANE is coded as OKZMD in a certain language, how will TRAIN be coded?

A
SQZHM

B
UQBHO

C
SQZJM

D
USBJM

E
USBJO

Solution

Here, the letter preceding each letter of the given word in the alphabets is, taken as the subsequent letter of its code.
Similarly, TRAIN will be coded as SQZHM.
Hence, option (A) is the correct answer.
Question 5
1 / -0

Find the odd one out in the following letters

A
$\text{RUX}$

B
$\text{CFI}$

C
$\text{BDG}$

D
$\text{FIL}$

E
$\text{KNQ}$

Solution

In each group, the difference between the letters is same.
In option C, $\text{B and D}$ jump one letter and $\text{D and G}$ jump two letters.
So, option C is the odd one out.
Question 6
1 / -0

Choose the one which is different from the other alteratives.

A
$27$

B
$63$

C
$42$

D
$07$

E
$49$

Solution

Every other term is a multiple of 7.
Question 7
1 / -0

Choose the one which is different from the others

A
$145$

B
$197$

C
$257$

D
$325$

E
$399$

Solution

Each of the numbers except 399, is one more than the square of a certain number. i.e.
(A) $145=144+1=12^2+1,$
(B) $197=196+1=14^2+1,$
(C) $257=256+1=16^2+1,$
(D) $325=324+1=18^2+1,$
And in (E) $399=400-1=20^2-1$
Hence, E is different from others.
Question 8
1 / -0

Find the odd number from the given options.

A
$62$

B
$121$

C
$36$

D
$256$

E
$64$

Solution

All numbers except 62, are perfect square of some natural numbers.
For example :
$121=11^2$
$36=6^2$
$256=16^2$
$64=8^2$
Hence, option A is correct.
Question 9
1 / -0

In the following spot the odd one out.

A
Father

B
Mother

C
Friend

D
Brother

E
Sister

Solution

All other are blood relations.
Question 10
1 / -0

Choose the one which is different from the others.

A
$385$

B
$572$

C
$671$

D
$264$

E
$427$

Solution

The middle digit is sum of the other two. This property is not satisfied in option E. Hence, the answer is option E.

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Question Analysis

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Re-Attempt Weekly Quiz Competition

Mathematical and Logical Reasoning Test 15

Result

Mathematical and Logical Reasoning Test 15

Score

-

Rank

-

SHARING IS CARING

Question 1

CBJNCA

CANKCA

CAKNCA

CAKCNA

CNKACA

Solution

Question 2

pink

sky

water

blue

Solution

Question 3

ECA\text{ECA}ECA

JHF\text{JHF}JHF

OMK\text{OMK}OMK

TRP\text{TRP}TRP

UWY\text{UWY}UWY

Solution

Question 4

SQZHM

UQBHO

SQZJM

USBJM

USBJO

Solution

Question 5

RUX\text{RUX}RUX

CFI\text{CFI}CFI

BDG\text{BDG}BDG

FIL\text{FIL}FIL

KNQ\text{KNQ}KNQ

Solution

Question 6

272727

636363

424242

070707

494949

Solution

Question 7

145145145

197197197

257257257

325325325

399399399

Solution

Question 8

626262

121121121

363636

256256256

646464

Solution

Question 9

Father

Mother

Friend

Brother

Sister

Solution

Question 10

385385385

572572572

671671671

264264264

427427427

Solution

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Question Analysis

My Perfomance

$\text{ECA}$

$\text{JHF}$

$\text{OMK}$

$\text{TRP}$

$\text{UWY}$

$\text{RUX}$

$\text{CFI}$

$\text{BDG}$

$\text{FIL}$

$\text{KNQ}$

$27$

$63$

$42$

$07$

$49$

$145$

$197$

$257$

$325$

$399$

$62$

$121$

$36$

$256$

$64$

$385$

$572$

$671$

$264$

$427$