Mathematical and Logical Reasoning Test 57

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Mathematical and Logical Reasoning Test 57

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Question 1
1 / -0

Find the odd term out.

A
$$AXE$$

B
$$CVG$$

C
$$ETJ$$

D
$$GRK$$

Solution

In each group of letters, the consecutive letters differ by odd numbers.
For example,
In $$AXE$$, $$A\rightarrow 1$$, $$X\rightarrow 24$$, $$E\rightarrow 5$$
Then $$A-X=23, X-E=19$$
But in $$ETJ$$, $$E\rightarrow 5$$, $$T\rightarrow 20$$ $$J\rightarrow 10$$
So, $$T$$ and $$J$$ differ by $$10$$.
Hence, option C is the odd one.
Question 2
1 / -0

Find the wrong number in the series
7, 28, 63, 124, 215, 342, 511

A
28

B
124

C
215

D
342

Solution

Here the number follows the given rule
$$2^3-1, 3^3-1, 4^3-1, 5^3-1, 6^3-1, 7^3-1, 8^3-1$$
$$\therefore 3^3-1=26$$ But 28 has been given in problem series.
so 28 is wrong number.
Question 3
1 / -0

Find the wrong number in the given series.
8, 27, 125, 343, 1381

A
27

B
8

C
343

D
1381

Solution

Given series follows Cubes on Prime Numbers i.e $$2^3, 3^3, 5^3, 7^3, 11^3$$ but $$11^3$$ is 1331.
so 1381 is wrong
Question 4
1 / -0

Find the odd term out.

A
$$L{J}_{1}$$

B
$$R{F}_{7}$$

C
$$Z{H}_{9}$$

D
$$X{B}_{11}$$

Solution

In every group of letters, the number given at the last will be obtained by subtracting the position of alphabets and then divide by $$2$$.
But in C, $$R\rightarrow 18$$, $$F\rightarrow 5$$
$$R-F=13$$ and $$13/2\neq 7$$.
Hence, option C is the odd one.
Question 5
1 / -0

Find the odd term out.

A
$$CYHK$$

B
$$GALM$$

C
$$BASU$$

D
$$XABU$$

Solution

In every group of letters, sum of positions of every letter gives a prime number.
For example, $$C\rightarrow 3$$, $$Y\rightarrow 25$$, $$H\rightarrow 8$$, $$K\rightarrow 11$$ and $$3+25+8+11=47$$
$$G\rightarrow 7$$, $$A\rightarrow 1$$, $$L\rightarrow 12$$, $$K\rightarrow 13$$ and $$7+1+12+13=33$$
$$B\rightarrow 2$$, $$A\rightarrow 1$$, $$S\rightarrow 19$$, $$U\rightarrow 21$$ and $$2+1+19+21=43$$
But in D,
$$X\rightarrow 24$$, $$A\rightarrow 1$$, $$B\rightarrow 2$$, $$U\rightarrow 21$$ and $$24+1+2+21=48$$
Hence, D is the odd one out.
Question 6
1 / -0

If husband called wife , wife is called grandfather , grandfather is called grandmother , grandmother is called maternal grandmother , maternal grandmother is called maternal grandfather , maternal grandfather is called maternal uncle and maternal uncle is called maternal aunt , then what will the father of the mother be called ?

A
Maternal grandmother

B
Maternal uncle

C
Maternal grandfather

D
Maternal Aunt
Question 7
1 / -0

$$5, 7, 5, 11.25, 17.5, 29.75, 50, 91.25$$.

A
$$29.75$$

B
$$17.5$$

C
$$91.25$$

D
$$50$$

Solution

The pattern is as follows.
Question 8
1 / -0

If $$O$$ is the sister of $$P,R$$ is the father of $$P,T$$ is the sister of $$R$$. What will be relation between $$O$$ and $$T$$-

A
Aunty (father's sister)

B
Sister

C
Neice

D
Daughter

Solution

It is given that $$O$$ is the sister of $$P$$ and $$R$$ is the father of $$P$$.
So it means that $$R$$ is father of $$O$$ also.
$$T $$ is the sister of $$R$$.
Hence for both $$O$$ and $$P$$, $$T$$ is aunt.
Since the gender of $$O$$ is given(female).
Obviously $$O$$ is niece of $$T$$.
Hence the answer is option C.
Question 9
1 / -0

Four of the given five are alike in a certain way and form a group. Which is the one that does not belong to that group?
(i) 217 (ii) 143 (iii) 214 (iv) 157 (v) 131

A
i

B
v

C
ii

D
iii

Solution

Except 214, all other are odd numbers.
Question 10
1 / -0

If Ranjana is the sister of the son of Sohan's son, how is Ranjana related to Sohan?

A
Daughter

B
Sister

C
Grand daughter

D
Uncle

Solution

answer is (c)

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Mathematical and Logical Reasoning Test 57

Result

Mathematical and Logical Reasoning Test 57

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SHARING IS CARING

Question 1

$$AXE$$

$$CVG$$

$$ETJ$$

$$GRK$$

Solution

Question 2

28

124

215

342

Solution

Question 3

27

8

343

1381

Solution

Question 4

$$L{J}_{1}$$

$$R{F}_{7}$$

$$Z{H}_{9}$$

$$X{B}_{11}$$

Solution

Question 5

$$CYHK$$

$$GALM$$

$$BASU$$

$$XABU$$

Solution

Question 6

Maternal grandmother

Maternal uncle

Maternal grandfather

Maternal Aunt

Question 7

$$29.75$$

$$17.5$$

$$91.25$$

$$50$$

Solution

Question 8

Aunty (father's sister)

Sister

Neice

Daughter

Solution

Question 9

i

v

ii

iii

Solution

Question 10

Daughter

Sister

Grand daughter

Uncle

Solution

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