(a) 
(b) 
(c) 
(d) 
Explanation (a):
Number of balls changes from 1 to 3, 3 to 5, 5 to 7 boxes and 2 to 4, 4 to 6, ....... boxes
Pattern followed:
Number of balls in 7th box is 8.
2. How many shaded circles will be there in pattern 81?
(a) 161
(b) 162
(c) 163
(d) 160
Explanation (c):
Number of shaded circles in Pattern 1 = 3
Number of shaded circles in Pattern 2 = 5
Number of shaded circles in Pattern 3 = 7
Pattern followed is 
i.e., 3, 5, 7..........
Number of shaded circles in Pattern 
3. Which number will replace the question mark in the number pattern given below? 
(a) 1
(b) 2
(c) 3
(d) 4
Explanation (d):
Pattern followed is:
4. What is the missing number in the series given below?
(a) 17
(b) 27
(c) 35
(d) 41
Explanation (a):
Pattern followed in 
? is 
Hence, number in lower part of third circle is: 
5. Which figure will replace the question mark in more... 
(b) 
(c) 
(d) 
Explanation (b):
The figure in option (b) is made up of both straight and curved lines.
2. There is a certain relationship between the pair of figures given on either side of : Identify the relationship of the given pair and find the missing term in the other pair.
(a) 
(b) 
(c) 
(d) 
Explanation (b):
The left and right part of the figure of the first figure of left pair is removed and the top and bottom parts are left. Also, for the parts which are left, the shaded part becomes unshaded and vice-versa.
3. There is a certain relationship between the pair of figures given on either side of : Identify the relationship of the first pair and find the missing term of the second pair.
(a) PQR (b) PQT (c) RQP (d) TPR
Explanation (b):
The rule followed is 
So, if we follow the same rule 
4. In the given question, four numbers are given. Out of these, three are alike in a certain way but the rest one is different. Choose the one which is different from rest of the three.
(a) 6 (b) 12 (c) 18 (d) 9
Explanation (d):
Except (d), all others are multiples of 6 or, except (d) all are even numbers. 
\[=\,\,1\,{{m}^{2}}\]
Number of complete squares =17
Number of half squares = 5
Area of figure is 
(Because area of 1 = 1 m2)
NET OF GEOMETRICAL SHAPES
Net of cube: There are different types of net of a cube, depending upon that how you unfold it.
| Net of a cube has 6 faces and all are squares. Net of open cube box has 5 squares. |
| Net of cuboid has 6 faces, in which pair of opposite faces are same. |
rotation means figure rotates 
or 
.
rotation means figure rotates 
or 
.
2 half rotations means one full rotation.
EMBEDDED FIGURES
A figure (X) is said to be embedded in a figure (Y), if figure (Y) contains figure (X) as one of its part.
Type I:
Identify the small part hidden in given figure.
In such type of problems, a figure (X) is given followed by four parts such that one of them is embedded in figure (X).
The student has to identify such part.
Type II:
Identify the figure in which given part is hidden.
In such type of problems, a figure (X) is given followed by four figures in such a way that figure (X) is embedded in only one of the option figures.
The candidate has to select such figure in which more... 
(a) 
(b) 
(c) 
(d) 
Explanation (b)
2. Find the water image of figure (X).
(a) 
(b) 
(c) 
(d) 
Explanation (a)
Clockwise turn (Right turn): When somebody moves in direction which is same as the moving direction of clock-hands is called clockwise turn.
Anticlockwise turn (Left turn): Moving in the opposite direction of the clockwise direction is called anticlockwise direction.
EXAMPLE
1. John is facing the community centre. What will he be facing if he turns 
clockwise?
(a) Library (b) School (c) Police Post (d) Church
Explanation (c):
clockwise means 3 right angles and one-
angle.
After three right angles he will be facing church and after 
or -turn, he will be facing Police Post.
2. Which point is in north-west of P?
(a) P (b) Q (c) R (d) S
Explanation (d):
Raj is good in all subjects.
DEAR: 4968
2. If the code of PRESENT is TNESERP and code of PAPER is REPAP, then what will be the code of MONDAY?
(a) YADNOM (b) YADOMN (c) YADMNO (d) YADMON
Explanation (a):
Letters of word are written in reverse order to get their code.
So, code for MONDAY is YADNOM.
Bar Graph
When the numerical information is represented on the graph using bars, it is known as bar graph. Let us understand it with the help of an example: In the following table number of cars sold by a company in different months of a year has been shown:
Pictograph
In the pictography data is represented with the help of pictures. Let us understand it with the help of an example:
In the following table number of students present in the class is shown from Monday to Saturday:
Step 2: There were 50 students present on Monday. Drawing 50
before Monday is difficult and tedious job. Therefore, we choose a scale as per our convenience. Here we select 
= 10 students Thus the number of
