Question

Series : $575,552,533,518,507,500,a.$

Find the value of 'a'

• A. $497$
• B. $493$
• C. $499$
• D. $488$

Answer 1

The correct option is A $497$

First it follows a pattern of difference of $23,19,15,11,7$

So, a will differ by 3 i.e. $500-(7-4)=500-3=497$.

Hence, $a=497$.