Question

5,4,=3
13,5=12
15,9=?​

Answer 1

Answer:

7, 5, 8, 4, 9, 3… can be re-arranged as :

“7, 5 = (7–2), 8 = (5+3), 4 = (8–4), 9 = (4+5), 3 = (9–6) …”

Now, the sequence can be expanded as :

7, 5 = (7–2), 8 = (5+3), 4 = (8–4), 9 = (4+5), 3 =(9–6), 10 = (3+7), 2 = (10–8), 11 = (2+9) …

So, the sequence we get is, 7, 5, 8, 4, 9, 3, 10, 2, 11 … and so on and so forth.

Step-by-step explanation:

vaishnavi

Answer 2

Answer:

answer is 12.

Step-by-step explanation:

It has used pythagoras theorem like

5square - 4square = 3 square,etc