### Question

### Can you solve this number puzzle

**9 + 8 = 117**

16 + 13 = 329

19 + 11 = 830

23 + 18 = ??

16 + 13 = 329

19 + 11 = 830

23 + 18 = ??

A. 540

B. 541

C. 215

D. 345

**Answer: B. 541**

**Solution:**

A + B = (A – B) (A + B)

=> 9 + 8 = (9 – 8) (9 + 8) = 1 17

=> 16 + 13 = (16 – 13) (16 + 13) = 3 29

=> 19 + 11 = (19 – 11) (19 + 11) = 8 30

=> 23 + 18 = (23 – 18) (23 + 18) =** 5 41**

Hence, The Answer is **541.**