Let X be the set of three digit prime numbers with the following properties:
1) Each digit of the elements of X are distinct.
2) Each digit of the elements of X are prime.
Let K be the sum of all the elements of X. Find the sum of the digits of K?
the num is 257 and sum is 5.
ReplyDelete@Divya,
ReplyDeleteyour answer is incorrect. there will be one more number..
257, 523 k= 780 sum = 15
ReplyDelete