Directions : Read the graph and answer the following questions.

The ratio of the average income of all the years to the average profit is

A The cost of building a fence around a circular field is ₹7,425 at the rate of 13.50 per foot. What is the area of the circular field? [use $$π={22\over 7}$$]

Direction: What value will come in place of the question mark (?) in the following question?

2.4, 3.6, 5.1, 6.9, ?, 11.4

Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.

(i) 2x³ = $$ \sqrt {256}$$
 (ii) 2y² – 9y + 10 = 0

P = 12xy – 10y² – 18x²,

Q = 14x² + 12y² + 9xy, and

R = 5y² – x² + xy

then (P + Q) – R =

In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x² + 31x + 240 = 0

II. 5y²+ 60y + 135 = 0

If the efficiency of Q increases by $$ {33{1\over 3}{\%}}$$ and P and Q start to work together, while at the same time R starts destroying the work. Find in how many days work will be completed.

Total cost of A pens and (A-2) pencils is Rs 424. If one pencil and one pen costs Rs 4 and Rs 20 respectively then find A?