Question

In the series $357,363,369,$.., What will be the ${10}^{th}$ term?

• A. $405$
• B. $411$
• C. $413$
• D. $417$

Answer 1

Answer: (B)

$411$

The given series is an A.P. in which $a=357$ and $d=6$.

$\therefore 10th$ term = $a+(10-1)d=a+9d$

$=(357+9\times 6)=(357+54)=411$.