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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 numbers are odd numbers?
123, 1254, 5252, 2233
123, 1254
123, 2233
2233
5252, 2233
2
What does the literal (a) in the general form represents for the number 904
9
900
0
4
3
How many prime numbers are these between 10 and 20?
7
5
A pair of prime numbers whose difference is 2 are called ____________________.
Prime Numbers
Co-Prime Numbers
Twin Prime Numbers
All of these
What does the literal (c) in the general form represents for the number 392
90
6
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 _____________
The number which is neither prime nor composite is
8
Which of the following pairs are co-prime?
18 and 35
15 and 37
30 and 415
both A and B
Find the sum of the values of the literal (a) in the general form represents for the number 325, 526, 987
10
19
18
17
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
11
The smallest odd composite number is ___________
12
The smallest and largest three digit odd number are __________________
101,997
101, 999
100, 998
101, 998
13
From the first five multiples of 5, which are even numbers?
20
10,20
10,15
14
The smallest composite number is __________.
15
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
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
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
Number of pairs of twin prime numbers between 1 and 50 are ______________
__________________ are 3 consecutive composite numbers less than 100 so that they are co-prime number.
91, 93, 95
92, 94, 96,
91, 92, 93
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