Question

If 16 = 11, 25 = 12, 36 = 15, then 49 = ?(A) 14(B) 20(C) 19(D) 17

Answer 1

16=11, 25=12, 36=15, 49=?
Formula=
First digit + second digit+ square root of number
16 = 1+6+4 = 11
25= 2+5+5 = 12
36= 3+6+6 = 15
49= 4+9+7 = 20

Answer 2

Answer:

Step-by-step explanation:

16=1+6+4(first digit +2nd digit +root of number) =11

25=2+5+5=12

36=3+6+6=15

49=4+9+7=20