Question

What will be the next number in this sequence $21\frac{1}{3},16,12,9,?$

• A. $7$
• B. $6$
• C. $6.75$
• D. $5$

Answer 1

Answer: (C)

$6.75$

Given numbers are in $G.P.$ with common ratio, $r=\frac{3}{4}$

$\therefore$ Required number $=9\times \frac{3}{4}=6.75$.