1) Find the next number of the series 3,8,15,24.... A) 36 B) 25 C) 35 D) 40 Answer: Option CExplanation:$3=2^{2}-1$, $8=3^{2}-1$, $15=4^{2}-1$, $24=5^{2}-1$ So, next should be $6^{2}-1 =35$