
Choose the correct picture that fit the blank place?
Which of the statements is sufficient to answer the question?
Question ∶
Find the sum of the first 10 consecutive even numbers in the series
Statements ∶
I. The first number 2 and 10th number is 20.
II. The common difference is 2
Only statement II is sufficient
Only statement I is sufficient
Both statement I and II are sufficient
Either statement I or II is sufficient
\( \frac{7}{9} \) of the people present in a hall are sitting in \( \frac{9}{13} \) of the chairs available and the rest are standing. If there are 28 empty chairs, how many chairs would have been still empty if everyone in the hall was sitting?