Directions: A survery of film watching habits of people living in five cities P, Q, R, S and T is summarised below in a table. The coulmn I in the table gives percentage of film-watchers in each city who see only one film a week. The column II gives the total number of film-watchers who see two or more films per week.

Read the table and answer the following questions.

The total number of all film-watchers in the five cities who see only one film in a week is 

if $${x\over 9}+{8\over x}=1$$, then the value of x³ is :

The breadth ‘b’ of a room is twice its height and half of its length. Find the length of the longest diagonal of the room.

What is the value of $${{0.6}÷{0.6}×{0.6}+{0.5}×{0.5}÷{0.5}\over{0.6}×{0.5}+{0.3}}$$ ?

The following table shows the number of laptops sold from five different stores in a city on five days of a given week.

What is the ratio of the total number of computers sold from store S on Tuesday, Monday and Sunday taken together to that sold from store P on Tuesday, Wednesday and Thursday taken together?

Two trains of lengths 100 m and 140 m respectively are running in opposite directions on parallel tracks. If their speed is 29 km/hour and 43 km/hour respectively. In what time will they cross each other?

Any six-digit number that is formed by repeating a three-digit number, is always divisible by:

A square and an equilateral triangle are drawn on the same base. the ratio of their area is