Which is the next term in the series 165, 195, 255, 285, 345, ?
A505
B395
C415
D435
Answer:
D. 435
Read Explanation:
Each number of the series is 15 multiplied by a prime number, ie
165 = 15 x 11
195 = 15 x 13
225 = 15 x 17
285 = 15 x 19
345 = 15 x 23
Next term = 15 x 29 = 435
