12
Sum of the digits number is 8 and their product is 12. Find the difference between the digits?
- A4
- B6
- C2
- DNone
Correct answer: A
Log in or create a free account to reply and vote.
0
CCommunity
2×6 is 12 and sum of 2+6 is 8. There difference of the 2 and 6 is 4.
Hence A is our correct answer
Hence A is our correct answer
0
CCommunity
4
x + y = 8
xy = 12
(x – y)2 = (x + y)2 – 4xy
(x – y)2 = 64 – 48 => (x – y) = 4
x + y = 8
xy = 12
(x – y)2 = (x + y)2 – 4xy
(x – y)2 = 64 – 48 => (x – y) = 4