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
Choose the even number from the following numbers.
555, 444, 1221, 3663
1221
3663
444
444, 1221
2
What does the literal (b) in the general form represents for the number 365
3
60
6
5
Which of the following pairs are co-prime?
18 and 35
15 and 37
30 and 415
both A and B
4
Number of prime numbers between 50 to 60 is:_________________ .
Which of the following pairs are twin primes?
(19, 21)
(29, 31)
(39, 41)
All of these
_____ is the only even prime number.
12
16
8
7
6 is a composite number as it has ______________ factors.
An example for twin primes is:
5, 11
3, 5
11, 17
3, 7
9
The smallest and largest three digit odd number are __________________
101,997
101, 999
100, 998
101, 998
10
Which of the following is/ are a twin primes pairs:
(11,13) and (17,19)
(71, 73) and (59, 61)
(29, 31) and (41, 43)
11
The smallest odd composite number is ___________
Which of the following statement is false?
(i) An even number is always divisible by 3.
(ii) Even numbers leaves remainder 0 when divided by 2.
(iii) Product of two even numbers is always even.
(i), (ii)
(ii),(iii)
(i)
(iii)
13
From the first five multiples of 5, which are even numbers?
20
10,20
10,15
14
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
15
Number of pairs of twin prime numbers between 1 and 50 are ______________
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)
17
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
18
__________________ 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
19
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
If p and q are co-prime numbers then is p2 and q2 are also co-prime?
yes
no
maybe
none of these