GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
Example for co-prime mumbers is:
25, 14
18, 16
9, 18
11, 77
2
6 is a composite number as it has ______________ factors.
3
4
The difference between a 2- digit number and the number obtained by reversing the digit is 18.The difference between the two digit of that number is _____________
5
The difference between a 2- digit number and the number obtained by reversing the digit is 45 .The difference between the two digit of that number is _______________.
9
8
Number of prime numbers between 50 to 60 is:_________________ .
6
Which of the following numbers are co- prime?
13,26
8,20
31,59
35,85
7
Which of the following pairs are twin primes?
(19, 21)
(29, 31)
(39, 41)
All of these
The prime numbers between 1 and 10 ________________.
1,2,3,5,7
2,3,5,7
2,3,5,7,9
1,2,3,5,7,9
Set the three consecutive prime numbers is called a prime triplets, which of the following is a prime triplet?
2, 4, 5
7, 9, 13
5, 7, 11
2, 3, 8
10
In a two-digit number,the digit in the units place is four times the digit in the tens place and sum of the digits is equal to 10. Find the number.
32
14
37
28
11
The smallest composite number is __________.
12
The smallest odd composite number is ___________
13
The smallest and largest three digit odd number are __________________
101,997
101, 999
100, 998
101, 998
Identify the twin primes pairs:
(19, 21) and (9, 11)
(29, 31) and (17, 19)
Both A and B
none of these
15
Consider the following statements.Which of the above statement (s) is /are correct?
(i) Every prime is odd.
(ii) Product of any two prime numbers is odd.
Only (i)
Only (ii)
Both (i) and (ii)
Neither (i) nor (ii)
16
__________________ are 5 consecutive composite numbers less than 100 so that there is no prime number between them .
89, 91, 93, 95, 97
90, 92, 94, 96, 98
91, 92, 93, 94, 95
None of these
17
The sum of the digit of a 2-digit number is 8. If the number obtained by interchanging the digits is 36 more than the original number. Find the sum of the number and the number obtained after interchange ?
26
25
88
62
18
Find the product of the values of the literal (a) in 325, (b) in 526 and (c) in 987 when the general form is .
42
19
Number of pairs of twin prime numbers between 1 and 50 are ______________
20
__________________ are 7 consecutive composite numbers less than 100 so that there is no prime number between them .
90,91, 92, 93, 94, 95, 96
86, 88, 90, 92, 94, 96, 98
91, 92, 93, 94, 95, 97, 99