Interview Maths Puzzle Logical Reasoning General Mental Ability

using these numbers only once find the solution of:-
numbers are: 1,3,5,7,9,11,13,15;
?+?+?+?+?=30

Read Solution (Total 4)

i don't think this is possible..
odd numbers added odd number of times.. they wont add up to an even number
9 years agoHelpfull: Yes(1) No(0)

3+7+9+11=30
15+5+7+3=30
9 years agoHelpfull: Yes(0) No(0)
But in this question, there are 5 "?", doesn't dat mean there should be 5 no.s ??
9 years agoHelpfull: Yes(0) No(0)
3+5+9+11+(15-13) = 30
6 years agoHelpfull: Yes(0) No(0)

Interview Other Question

I can give you five zeros make it 120 ?(Using mathematical operations) what is the output of the program??
main()
{
int a=5;
float b=5.6;
printf("%d, %fn",b,a);
}