Question

fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)
?+?+?=30
U can also repeat the numbers.

Answer 1

(5+5) ( 5+5) (5+5)  

here 5+5=10 in second it is also 10 in third it is also 10 

so 10+10+10= 30

Answer 2

then the answer will be [11+11]+[3+3]+[1+1}
so the required answer is 22+6+2=30
 hope that this will hellp u