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
Which of the following is not a composite number?
4
6
7
8
2
Which of the following pairs are co-prime?
18 and 35
15 and 37
30 and 415
both A and B
3
How many prime numbers are these between 10 and 20?
5
Number of prime numbers between 50 to 60 is:_________________ .
Which of the following numbers are odd numbers?
123, 1254, 5252, 2233
123, 1254
123, 2233
2233
5252, 2233
Number of prime numbers from 1 to 50 are:
18
12
15
20
Which of the following pairs of number are co-primes?
11, 111
22, 222
12, 36
14, 50
Example for co-prime mumbers is:
25, 14
18, 16
9, 18
11, 77
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
The smallest and largest three digit odd number are __________________
101,997
101, 999
100, 998
101, 998
11
The smallest composite number is __________.
Consider the following statement :
i. The product of two composite numbers remains same on changing their order.
ii. The product of a pair of co-primes is changed on changing their order.
only i is true
i is false but ii is true
Both i and ii are true
Neither i nor ii is correct
13
The smallest odd composite number is ___________
14
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 number?
26
25
85
56
Twin primes are pairs of _______________________ .
Consecutive odd with a difference of 2
Consecutive even with a difference of 2
Consecutive prime with a difference of 2
None of these
16
Simplify the expression 9a + 2b + c using the values of the literal (a) in 259, (b) in 726 and (c) in 687 when the general form is .
32
29
42
17
__________________ 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
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)
19
Number of pairs of twin prime numbers between 1 and 50 are ______________
The largest 4-digit even number and smallest 4-digit odd number are respectively ____________________
1000 and 9999
9998 and 1001
1001 and 9998
9999 and 1000