Click the correct answer.
What is the generalized form a 2-digit number 'ab' having a and b as the digits at tens and ones places?
10a + b
10b + a
10a – b
10b – a
What is the generalized form a 3-digit number abc?
100a + 10b + c
100b + 10a + c
100c + 10a – b
100b + 10c – a
Which of the following does exactly divide the sum abc + bca + cab?
(a + b + c)
(a – b + c)
37(a + b – c)
37(b – a + c)
