Mathematical and Logical Reasoning Test 65

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Mathematical and Logical Reasoning Test 65

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Weekly Quiz Competition

Question 1
1 / -0

For the following question five words are given, out of which four are same in a certain way while the rest one is different. Find out the different one.

A
KMpS

B
BKXz

C
PiMO

D
PHet

E
OIsT

Solution

In the given options, all have only 2 Capital letters and 1 small letter.
Option D has 2 capital letters and 2 small letters.
Question 2
1 / -0

Find the number that doesn't belong to the following series:
$$36, 49, 100, 144, 196, 256, 324$$

A
$$100$$

B
$$49$$

C
$$256$$

D
$$144$$

Solution

Series is $$6^2, 8^2, 10^2, 12^2......$$, the squares of even numbers.
$$49 = 7^2$$ which does not belong to the series.
Hence, option $$B$$ is the correct answer.
Question 3
1 / -0

In the following question, one term in the number series is wrong. Find out the wrong term.
$$49, 48, 45, 42, 33, 24, 13$$

A
$$48$$

B
$$45$$

C
$$42$$

D
$$33$$

E
$$24$$

Solution

The difference of two consecutive nos are $$1, 3, 5, 7, 9, 12$$
$$48-49=-1$$
$$45-48=-3$$
$$40-45=-5$$
So, option C is the correct answer.
Question 4
1 / -0

$$1, 2, 6, 21, 84, 445$$
which of the following does not follow the pattern in the series?

A
$$2$$

B
$$6$$

C
$$21$$

D
$$84$$

Solution

Series follows the pattern :
$$1\times 1+1=2$$,
$$2\times 2+2=6$$,
$$6\times 3+3=21$$,
$$21\times 4+4=88$$,
$$88\times 5+5=445$$,
$$445\times 6+6=2676$$.
Therefore, number $$84$$ should be replaced by $$88$$.
Question 5
1 / -0

Choose the odd-one out :

A
$$579$$

B
$$885$$

C
$$696$$

D
$$398$$

Solution

As sum of digits of the terms is 21.
Hence, option D is the correct answer.
Question 6
1 / -0

Choose the odd-one out :

A
$$5188$$

B
$$9238$$

C
$$8644$$

D
$$6311$$

Solution

Rest all have sum of all the digits equal to $$22$$.
Hence, option D is the correct answer.
Question 7
1 / -0

Choose the odd-one out :

A
$$9$$

B
$$17$$

C
$$37$$

D
$$5$$

Solution

Rest all are prime numbers.
Hence, option A is the correct answer.
Question 8
1 / -0

Choose the odd-one out :

A
$$1365$$

B
$$5713$$

C
$$3175$$

D
$$7531$$

Solution

In all the rest numbers, the sum of first and fourth digits and sum of second and third digit is $$8$$.
Hence, option A is the correct answer.
Question 9
1 / -0

Choose the odd-one out :

A
$$49$$

B
$$85$$

C
$$121$$

D
$$81$$

Solution

Rest all are square of some number
Hence, option B is the correct answer.
Question 10
1 / -0

Choose the odd-one out :

A
$$49$$

B
$$97$$

C
$$98$$

D
$$77$$

Solution

Rest all are divisible by 7.
Hence, option B is the correct answer.

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Re-Attempt Weekly Quiz Competition

Mathematical and Logical Reasoning Test 65

Result

Mathematical and Logical Reasoning Test 65

Score

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Rank

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SHARING IS CARING

Question 1

KMpS

BKXz

PiMO

PHet

OIsT

Solution

Question 2

$$100$$

$$49$$

$$256$$

$$144$$

Solution

Question 3

$$48$$

$$45$$

$$42$$

$$33$$

$$24$$

Solution

Question 4

$$2$$

$$6$$

$$21$$

$$84$$

Solution

Question 5

$$579$$

$$885$$

$$696$$

$$398$$

Solution

Question 6

$$5188$$

$$9238$$

$$8644$$

$$6311$$

Solution

Question 7

$$9$$

$$17$$

$$37$$

$$5$$

Solution

Question 8

$$1365$$

$$5713$$

$$3175$$

$$7531$$

Solution

Question 9

$$49$$

$$85$$

$$121$$

$$81$$

Solution

Question 10

$$49$$

$$97$$

$$98$$

$$77$$

Solution

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