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1
The smallest prime number is ________
2
3
4
5
_____ is the only even prime number.
12
16
8
The difference between a 2- digit number and the number obtained by reversing the digit is 63.The difference between the two digit of that number is _____________
7
Find the even number from the following numbers.
1231, 8989, 889, 14546
1231
8969, 14546
14546
8989
What does the literal (b) in the general form represents for the number 365
60
6
__________ has only two factors: 1 and itself.
Prime number
Composite number
Both A and B
None of these
Choose the odd number from the following numbers.
5656, 656, 5556, 6665
5656
656
5556
6665
Numbers which are not divisble by any other number except 1 and the number itself are called _____________
Co- prime
Odd prime
9
What does the literal (a) in the general form represents for the number 904
900
0
10
The smallest composite number is __________.
11
Find the sum of the values of the literal (b) in the general form represents for the number 904, 326, 984
Identify the twin primes pairs:
(19, 21) and (9, 11)
(29, 31) and (17, 19)
none of these
13
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)
14
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
15
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