Look at the series: 5.2, 4.8, 4.4, 4, ………… what number should come next ?

Using the given information, answer the question that follows.
Six friends are sitting around a circular table.
1. Soham is sitting adjacent to Nachiket.
2. Tushar is sitting opposite Pranav.
3. Swapnil is sitting equidistant to Soham and Pranav.
Who is sitting opposite Aniket?

In $$\triangle ABC$$, D and E are points on AB and AC respectively such that DE is parallel to BC. If AD = 2 cm, BD = 3 cm, ext-ADE then $$\frac{ar(\triangle ADE)}{ar(\triangle ABC)}$$, is:

$$ 2^{4} \times 3^{4} \times 8^{4} \div (2 \times 3 \times 8)^{3} $$ is

Foodgrains for 220 soldiers have been stored in a fort. Foodgrains will be consumed in 16 weeks, if each soldier is given 45 gm per day. The same foodgrains will last for 24 weeks if each soldier is given 33 gms per day and some soldiers are removed. How many soldiers should be removed ?