Question

if (10,11,30) (3,8,12) (5,6,15) then (4,8,? ) ​

Answer 1

here we first add the numbers in the outer rectangular box, and the keep on adding odd numbers successively.

EXPLANATION:-

3+8=11

11+1=12

5+6=11

11+1=12

12+3=15

10+11=21

21+1=22

22+3=25

25+5=30

now,

4+8=12

12+1=13

13+3=16

16+5=21

21+7=28

therefore the answer will be (a)28