The value of sin 73⁰ + cos 137⁰ is:

In how much time will a sum of Rs. 12500 amounts to Rs. 20000 at the rate of 8 percent per annum at simple interest?

The rates of working of A and B are in the ratio of 2 : 3. The number of days taken by each of them to finish the work is in the ratio : 

By selling 33 metres of cloth a person gain the cost price of 11 metres. find the gain%

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 highest number of film watchers in any given city is : 

 If 3x²-5x+1=0, then the value of ( $$x^2+{1\over 9x^2}$$) is 

In Tata company there are 78000 employees out of which males and females are in the ratio 7 : 6. Out of the males 35% are working as HR and out of females 25% are working as HR. Find the total number of employees working as HR in the company.

If a = 7, b = 5 and c = 3, then the value of $$a^2+b^2+c^2-ab-bc-ca$$ is