Question

If 63 + 25 = 16, 12 + 18 = 12 and 23 + 17 = 13, then 54 + 22 = ?

पर्याय

• 13

• 17

• 19

• 20

Answer 1

13
Explanation:
As, 63 + 25 ⇒ (6 + 3) + (2 + 5) = 16
12 + 18 ⇒ (1 + 2) + (1 + 8) = 12
and 23 + 17 ⇒ (2 + 3) + (1 + 7) = 13
Similarly, 54 + 22 ⇒ (5 + 4) + (2 + 2) = 13