[Download PDF] TS Police SI Mains 2018 Arithmetic and Reasoning Paper with Solutions

Instructions

In questions pick out the odd thing among the given items.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 101

15, 35, 99, 143

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 102

56, 34, 14, 7

Solution

It should be a geometric progression with common ratio of 0.5
Every successive term should be half of the term just before it.
Hence, 34 is the odd one out. It should be 28 in its place.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 103

A, D, I, P, T, Y

Solution

Number the alphabets as A = 1 to Z = 26
A, D, I, P, Y have numbers which are perfect squares.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 104

9, 49, 81, 121, 169, 289

Solution

All are squares of prime numbers except 81 which is a square of 9.
Hence, odd one out.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 105

ZA, YE, XI, WO, TU

Solution

The second alphabet in every pair is a vowel.
And the first letter in each pair is reverse chronology from Z.
Instead of T, there should be V.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 106

343, 1331, 2197, 4913, 6859, 9261

Solution

All are cubes of prime numbers except 9261 which is a cube of 21 i.e. not a prime number
Hence, odd one out.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 107

1156, 1444, 1764, 2430

Solution

1156 = 34*34
1444 = 38*38
1764 = 42*42

But 2430 is not 46*46
Hence, odd one out.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 108

Beetroot, Brinjal, Carrot, Potato

Solution

The edible plant of the brinjal plant grows above the ground.
The edible parts of all the other plants grows below the ground.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 109

Reservoir, River, Tank, Watershed

Solution

River is the only body in which water is not stationary. Hence, the odd one out.

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 110

21V23X, 13N15P, 9J11L, 5F7H

Solution

21-13 = 8
13-9 = 4
9-? = 2

? should be 7 i.e. the first number at the start of fourth term
Similarly
23-15 = 8
15-11 = 4
11-? = 2
? should be 9 i.e. the term at the center of fourth term

hence, fourth term in question is odd one out

CAT Content

TS Police SI Mains 2018 Arithmetic and Reasoning

TS Police SI Mains 2018 Arithmetic and Reasoning

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 101

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 102

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 103

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 104

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 105

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 106

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 107

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 108

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 109

TS Police SI Mains 2018 Arithmetic and Reasoning - Question 110

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