Reasoning Syllabus, Books & Strategy for CHSL - Exam 2015

In SSC exams reasoning section is the most easiest in all the sections. Any candidate can obtain 40 out of 50 marks in reasoning section of LDC exam if he/she has prepared it properly and seriously.

Syllabus & Marks Distribution

Reasoning Syllabus of SSC CHSL	Marks Allotted to each Chapter
Analogy 1. Related Word 2. Related Alphabet 3. Related Number	9 marks
Classification 1. Unrelated Word 2. Unrelated Alphabet 3. Unrelated Number	9 marks
Series Completion 1. Number Series 2. Alphabet Series 3. Alpha-Numeric Series 4. Continuous Pattern Series	5-6 marks
Coding-Decoding 1. Code the given word, Letters and numbers 2. Decode the given word,  Letters and numbers 3. Direct letter coding 4. Number/Symbolic Coding	2-3 marks
Blood Relations	2-3 marks
Seating Arrangement	3-4 marks
Direction Sense Test	2-3 marks
Logical Venn Diagrams	1 marks
Alphabet Test 1. Arrangement of words according to Dictionary 2. Alphabet quibble   3. Word formation of Jumbled Letters 4. Words can be formed or cannot be formed	3-4 marks
Ranking test	1-2 marks
Mathematical Operations 1. Sign Substitution 2. Interchange of signs	1-2 marks
Logical Sequence of Words	1 marks
Inserting the Missing Character	1 marks
Syllogism	1-2 marks
Non-Verbal Reasoning	5-6 marks
Total	50 Marks

Study Material & Strategy

A very good book by Kiran Publishers the Kiran's Chapterwise Reasoning. You can prepare the above the topics from this valuable resource. It is specially designed for SSC exams. The books starts with important concepts which you need to understand before getting into the problems. 

You don't have to worry about the reasoning section of any SSC exam whether it is CHSL or CGL or any other. There are some chapters which doesn't take even a minute to understand. So just get this book, solve it and you will have complete mastery over reasoning after completing this book. 

GENERAL INTELLIGENCE & REASONING QUESTION PAPER

1.(i) ‘P× Q’ means ‘Q’ is mother of ‘P’.

(ii) ‘P × Q’ means ‘P’ is brother of ‘Q’.
(iii) ‘P – Q’ means ‘P’ is sister of ‘Q’.
(iv) ‘P ÷ Q’ means ‘Q is father of ‘P’.
Which of the following definitely means R is grandson of K?
(a) R × T ÷ K
(b) M + R × T ÷ K
(c) M – R × T ÷ K
(d) Cannot be determined
(e) None of these.

2. How many such pairs of digits are there in the number 95137248 each of which has as many digits between them in the number as when they are arranged in ascending order?
(a) None
(b) One
(c) Two
(d) Three
(e) More than three.

3. In a certain code PATHOLOGIST is written as PIUBQKSRHFN. How is CONTROVERSY written in that code?
(a) SUOPDNXRQDU
(b) SUOPDNZTSFW
(c) QSMNBPXRQDU
(D) QSMNBPZTSFW
(e) None of these.

4. In a certain code PATHOLOGIST is written as PIUBQKSRHFN. How is CONTROVERSY written in that code?
(a) SUOPDNXRQDU
(b) SUOPDNZTSFW
(c) QSMNBPXRQDU
(D) QSMNBPZTSFW
(e) None of these.

5. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Food : Hunger
(b) Water : Thirst
(c) Air : Suffocation
(d) Talent : Education
(e) Leg : Lame

6. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) Crow
(b) Vulture
(c) Bat
(d) Ostrich
(e) Eagle

7. Which of the following has the same relationship as that of Money : wealth?
(a) Pity : Kindness
(b) Cruel : Anger
(c) Wise : Education
(d) Pride : Humility
(e) None of these.

8. Four of the following five are alike in a certain way and so form a group which is the one that does not belong to that group?
(a) 29
(b) 85
(c) 147
(d) 125
(e) 53

9. If it is possible to make a meaningful word with the second, the sixth and the ninth letters of the word PERMEABILITY, which of the following will be the first letter of that word? If no such word can be formed give ‘N’ as the answer. If only two such words can be formed give ‘D’ as the answer and if more than two such words can be formed give ‘Z’ as the answer.
(a) M
(b) L
(c) N
(d) D
(e) Z

10. In a certain code language BEAM is written as 5%*K and COME is written as $7K%. How is ‘BOMB’ written in that code?
(a) 5%K5
(b) 57K5
(c) $7K$
(d) 5$%5
(e) None of these

11. Find the number of days from 26-1-1996 to 15-5-1996 (both days inclusive)
(a) 110
(b) 112
(c) 111
(d) 113
(e) None of these

12. Find the wrong number in the following sequence: 22, 33, 66, 99, 121, 279, 594
(a) 279
(b) 594
(c) 121
(d) 33
(e) None of these

13. A father is now three times as old as his son. Five years back he was four times as old as his son. What is the age of the son now?
(a) 12
(b) 15
(c) 18
(d) 20
(e) None of these

14. How many times between 4 a.m and 4 p.m will the hands of a clock cross?
(a) 4
(b) 8
(c) 10
(d) 11
(e) None of these

15. Five students are sitting in row. T is on right of Z. M is on the left of Z but is on the right of L. T is on the left of Q. Who is sitting first from the left? Here students are represented by the letters T, Z, M, L and Q
(a) Z
(b) T
(c) Q
(d) L
(e) None of these

Reasoning: Concepts and Sample Questions

Type 1

In order to solve questions pertaining to code based on English alphabet you must know the position of each letter from either end so that you can recognize the coding pattern quickly.

1. Position of alphabets from left to right:

1	2	3	4	5	6	7	8	9	10	11	12	13
A	B	C	D	E	F	G	H	I	J	K	L	M
14	15	16	17	18	19	20	21	22	23	24	25	26
N	O	P	Q	R	S	T	U	V	W	X	Y	Z

2. Position of alphabets from right to left

1	2	3	4	5	6	7	8	9	10	11	12	13
Z	Y	X	W	V	U	T	S	R	Q	P	O	N
14	15	16	17	18	19	20	21	22	23	24	25	26
M	L	K	J	I	H	G	F	E	D	C	B	A

3. Series of Opposite Alphabet

A

B

C

D

E

F

G

H

I

J

K

L

M

Z

Y

X

W

V

U

T

S

R

Q

P

O

N

On the basis of these matrices you can recognize the coding pattern of letter quickly.

For instance, suppose the code for L is Q. it is clear that Q is to the right of L and position of L is 12^th from left and that of Q is 17^th from left.

Now, state what will be the code of E?

The code for E would be J.

E₅ → J₁₀

A. Code consisting of jumbled letters of given word

In this type of coding pattern the letters of the given word are jumbled to generate the code.

B. Code Consisting of the preceding or following letter

In this type of questions, either preceding or following letters stands as code letter for each of the letter of the given word.

Example1. In a certain code language INACTIVE is written as VITCANIE. How will COMPUTER be written in that code language?

(A) UTEMPOCR

(B) MOCPETUR

(C) ETUPMOCR

(D) PMOCRETU

(E) None of these

Sol. (C):

(i) There are 8 letters in the word.

(ii) In the given code the fourth and eighth letters from left have been left intact.

(iii) The first letter exchanges positions with the seventh letter, the second letter with the sixth letter and the third letter with the fifth letter.

Similarly,