Aman divides an integer 'n' by 10 and gets a remainder of 2 Which of the following options - Maths - Number Systems

Question

​Aman divides an integer 'n' by 10 and gets a remainder of
2

Which of the following options is DEFINITELY true?

a) 'n' is odd

b) ( n + 1 ) cannot be a prime number

c) ( n - 3 ) divided by 7 has a remainder of 2

d) none of the above

Ankita Agarwal · Accepted Answer

Dear Student,

The given number is of the form 10k+2For k = 2,n = 2222 is an even number so option a is false22+1=  23 is a prime number, so option b is false19÷7 leaves a remainder of 5, so option c is falseHence, option D is correct

Regards

​Aman divides an integer 'n' by 10 and gets a remainder of 2. Which of the following options is DEFINITELY true? a) 'n' is odd. b) ( n + 1 ) cannot be a prime number. c) ( n - 3 ) divided by 7 has a remainder of 2. d) none of the above.

Aman divides an integer 'n' by 10 and gets a remainder of 2.

Which of the following options is DEFINITELY true?

a) 'n' is odd.

b) ( n + 1 ) cannot be a prime number.

c) ( n - 3 ) divided by 7 has a remainder of 2.

d) none of the above.