Question 1
In the number series by how much is the sum of prime numbers is more or less than the sum of composite numbers? Number Series - 6, 8, 7, 3, 5, 9, 4, 2, 1
Options
More by 10
Less by 10
Less by 9
More by 9
Complete guide to "Number Work and Analysis" for IT students. Below you will find important questions and model answers to help you prepare.
We are building a dedicated quiz for this topic, but you can test your skills on a similar concept: Scholarship-V: Mirror and Water Images - Practice Set 1.
In the number series by how much is the sum of prime numbers is more or less than the sum of composite numbers? Number Series - 6, 8, 7, 3, 5, 9, 4, 2, 1
More by 10
Less by 10
Less by 9
More by 9
In the given number series the digits of every number are interchanged to form a new series. What is the addition of the prime numbers in the new series? 13 , 95 , 17 , 53 , 37 , 76 , 19 , 41
180
301
300
181
In the given number series how many times is the sum of two adjacent digits is a ‘Prime Number’. Series - 7, 8, 9, 2, 0, 1, 3, 5, 6, 8, 1, 1, 1, 2, 5
9
8
7
10
In the given number series how many times does ‘3’ occur before ‘5’ but ‘4’ does not occur after ‘5’? Series - 8 3 5 2 4 5 3 5 3 4 6 5 4 3 5 3 5 6 4 3 5 3 5 4 3 5 7
7 times
8 times
6 times
9 times
In the given series, how many times even number is preceded by odd number and is immediately followed by an even number. Series - 7, 8, 3, 2, 5, 6, 4, 2, 8, 7, 2, 3, 6, 8, 9, 4, 6
two
three
four
one
By interchanging the digits of the numbers in the given number series how many Prime numbers will form? Series - 31, 59, 35, 19, 17, 34, 16, 89, 74
5
7
4
6

Observe the table of numbers and symbols and answer the questions given below.
Using the given digits only once, which group of symbols will represent the smallest six-digit number?




By interchanging the digits of the numbers in the above number series how many odd square numbers will be formed?

3
5
6
4
2-digit odd square numbers are - 25, 49, 81.