Railways Quant Test 179

$$ 4 + 3 \times 4 + 3 \times 4^2 + 3 \times 4^3 + 3 \times 4^4 + 3 \times 4^5 = ?$$

A fraction, when taken away from $$\frac{1}{3}$$ gives $$\frac{1}{12}$$ The fraction is:

In test, Charan secured 54 marks that was also equivalent to obtaining 72% marks. How many marks was the test out of?

$$\frac{3}{5}$$th of Sarah's amount is equal to $$\frac{6}{7}$$th of Priya's amount. Between them the duo has ₹ 3,570. How much money does Priya have?

Given is a question followed by two arguments numbered I and II. Read the question and decide which of the arguments is strong with respect to the question.
Question: 

Should shifting agriculture be practiced?

Arguments:
I. No. It is not a worthy practice.
II. Yes. When compared to modern methods of farming, it is less expensive.