Final Answer:
c) 120 applesTo maintain this new ratio, the number of apples should have been 300. Consequently, 20 apples were added (300 - 280), and considering the original ratio, the total number of apples added is 120.
Explanation:
Initially, the ratio of apples to oranges in the grocery counter of 672 fruit items was 5:7. This means there were
apples and
oranges. When some fresh stock arrived and the number of oranges increased by 8, the ratio changed to 3:4. This means the total number of oranges became
To maintain the new ratio of 3:4, the number of apples must be \
\). The increase in apples is
apples. Thus, the number of apples added to the counter is

In the initial scenario, the apples and oranges formed a ratio of 5:7, amounting to 280 apples and 392 oranges respectively. Upon the arrival of new stock and the subsequent increase of 8 oranges, the revised ratio became 3:4, leading to a total of 400 oranges. To maintain this new ratio, the number of apples should have been 300. Consequently, 20 apples were added (300 - 280), and considering the original ratio, the total number of apples added is 120.