Question

7, 23, 47, 119, 167,?
a) 211 b) 223
d) 319
c) 287
I need answer with process
answer:c) ​

Answer 1

7=3^2–2 = 9-2

23=5^2–2 = 25-2

47=7^2–2 = 49-2

119=11^2–2 = 121-2

167=13^2–2 = 169-2

287=17^2–2 = 289-2

So all are prime numbers, 3,5,7,11,13,17

Hope it helps u