If $$ {(x-5)^{2} +{(y-2)^{2}}+{(z-9)^{2}=0}}$$ then what is the value of (x+y-z)?

Directions: Study the following table carefully to answer the questions that follow Number of Gold coins (in hundred) produced in Five Different companies during Six Different month.

What was the total number of Gold coins produced from all the companies together in the month of march?

There would be a 10 % loss. if rice is sold at ₹ 54 per kg. To earn a profit of 20 %, the price of rice per kg will be 

Direction : The table given below represents number of bikes of five different brands sold from 2001- 2005, with the help of data given in the table, answer the following questions.

In how many years the increase of selling is greater than 10% for any brand?

A four digit number is formed by writing a two digit number together twice like: 15:15, -3737 etc. A number of this form will be exactly divisible by which of the following numbers 

The average monthly salary of all the employees in a company is ₹ 12,000. Among them the average salary of male employees is ₹15,000 and that of female employees is ₹8000. Accordingly, what is the ratio of male and female employees?

Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and give answer.
(A) x>y
(B) x≥y
(C) x˂y
(D) x≤y
(E) x=y or the relations ship cannot be established

I. $$ {x^2+9x+14=0}$$
II. $$ {y^2+y=2}$$

Directions : The graph shows the demand and production of different companies. Study the graph and answer the following questions.

What is the lowest production company?