Number Series
In the number series, numbers are arranged in a certain pattern. You have to find the missing number. See the Following Examples:
In the above given patterns numbers are arranged in the gap of
. Counting byyou can find the missing number.
Find the missing number.
The missing number is
because the numbers are arranged in the gap of
Find the missing number.
The missing number is
because the numbers are arranged in the gap of.
Find the missing number.
The missing number is
. The gap is
and
To find the second numberis added to the first number. To find the third number
is added to the second number. To find the fourth numberis added to the third number. To find the fifth numberis added to the fourth number.
Find the missing number.
The missing number is
. To find the second number first number is multiplied by.
Find the missing number.
(a) 19
(b) 20
(c) 21
(d) None of these
Answer: (c)
Explanation
The pattern addsin every step.
Find the missing number.
(a) 31
(b) 32
(c) 33
(d) 35
Answer: (d)
Explanation
The patterns add
in every step.
Introduction
In this chapter, you will learn various patterns based on shape size and number.
Concept of Patterns
Patterns are particular arrangements. For example, let's see the following patterns of numbers:
| 1 | 2 | 3 | 4 | 5 | 6 |
| 6 | 5 | 4 | 3 | 2 | 1 |
Patterns
What will come in the blank circle?
(a) 5
(b) 3
(c) 6
(d) 7
Answer: (c)
Explanation
The pattern adds
in every step.
What will come in place of question mark?
more... 
Square
Let's see the squares given below:
Square has 4 equal sides and 4 angles.
Which one of the following is a square?
(a) 
(b)
(c)
(d)
Answer: (b)
How many lines are required to make 2 square?
(a) 4
(b) 8
(c) 12
(d) 3
Answer: (b)
Rhombus
Let's see the pictures of rhombus given below.
In Rhombus
Identify rhombus out of the given options.
(a) 
(b) 
(c)
(d)
Answer: (b)
From
equal straight lines, how many rhombus can be made?
(a) 1
(b) 2
(c) 4
(d) 5
Answer: (a)
equal or unequal sides. Squares, rectangles and rhombus are quadrilaterals.
Rectangle
Let's see the following rectangles:
Thus it is clear that a rectangle has equal angles and equal opposite sides.
Which one of the following is a rectangle?
(a) 
(b)
(c) 
(d) 
Answer: (d)
Choose the option which is not a rectangle.
(a) 
(b)
(c)
(d)
Answer: (a) 
Quadrilateral
See the quadrilaterals given below:
Thus it is clear that a quadrilateral has four sides whether they are equal or not.
Which one of the following is a quadrilateral?
(a) 
(b) 
(c) 
(d) 
Answer: (d)
Choose the option which is not a quadrilateral?
(a) 
(b) 
(c) 
(d) 
Answer: (d) 
Triangle
A triangle has three sides and three angles. Let's see the following figures:
The above given figures have three sides and three angles. Therefore, they are triangles.
Which one of the following is a triangle?
(a)
(b)
(c)
(d)
Answer: (a)
How many lines are required to make a triangle?
(a) 4
(b) 7
(c) 3
(d) 5
Answer: (c) 
Angles
See the following figure: 
It is an angle.
Which one of the following is not an angle?
(a)
(b)
(c) 
(d)
Answer: (d)
Which one of the following options has two angles?
(a) 
(b)
(c)
(d)
Answer: (a) 
Line
A line is a collection of points. See the Picture of Lines Given Below
1. Straight and standing line (Vertical)
2. Straight and sleeping lines (Horizontal)
3. Straight and slanting lines
4. Curved lines
Which one of the following options has curve lines?
(a) 
(b)
(c)
(d)
Answer: (b)
Choose the straight lines that are slanting.
(a) 
(b)
(c)
(d)
Answer: (d) 
Introduction
The kilometer, metre, centimeter, inches and foot are the units of distance and length. While kilometer andmetre are used for long and average distances, and length, centimeter, inches and foot are used to measure short distances.
Length and Breadth
Length is longer dimension of an object while breadth is the dimension from side to side. Let's see the picture given below:
Measurement
In the above mentioned picture, the longer dimension is AB and CD. Hence AB and CD are lengths. While dimension from side to side are AC and BD and it is called breadth.
Now Remember,
kilometer =
metre
metre = 
centimeter
andfoot =
inches.
Now ifkilometer =metre
then
kilometer = Twometers.
Kilometer = Threemeters and the process goes on.
Similarly,
metre =centimeters.
metre = twocentimeters
meters = threecentimeters and the process goes on.
Againfoot =inches.
foot = twoinches
=
inches.
foot = threeinches
=
inches.
Remember again
Short forms:
Kilometer = 
Metre = 
Centimeter = 
How many kilometers are there in two 1000 meters?
(a) 4
(b) 2
(c) 3
(d) 5
Answer: (b)
Explanation
kilometer = onemeters then kilometers = two meters.
Which one of the following is the length in the given picture?
(a) LM
(b) LN
(c) MO
(d) NL
Answer: (a)
Identifying Notes
The information that is required to identify the rupees are written on a paper and is called Notes. In India, 1 rupee, 2 rupees, 5 rupees, 10 rupees, 20 rupees, 50 rupees, 100 rupees, 500 rupees and 1000 rupees Notes are in circulation. Look at the 1 rupee and 2 rupees notes given below:
1 rupee (One rupee note)
2 rupees (Two rupee note)
It is clear from the picture given above that denomination or value of notes written on it. Therefore, whenever we identify the note we see the denomination or value written on it.
100 rupees (One hundred rupees note)
500 rupees (Five hundred rupees note)
1000 rupees (One thousand rupees note)
50 rupees (Fifty rupees note)
5 rupees (Five rupees note)
Identify the note given in the picture and pick the correct option.
(a) It is a 20 rupees note
(b) It is a 5 rupees note
(c) It is a 50 rupees note
(d) It is a 10 rupees note
Answer: (d)
Which one of the following options has similar value of the given Note?
(a) 10 notes of 100 rupees
(b) 5 notes of 500 rupees
(c) 5 notes of 100 rupees
(d) 5 notes of 50 rupees
Answer: (a)
Explanation
The given note is of Rs. 1000 which has similar value of 10 notes of Rs. 100. 
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