The line graph shows the number of vacancies of accountants in a certain company. Study the diagram and answer the following questions.

In which year maximum vacancies produced?

The line graph shows the number of vacancies of accountants in a certain company. Study the diagram and answer the following questions.

Between which two years is the rate of decrement in vacancies is maximum?

The line graph shows the number of vacancies of accountants in a certain company. Study the diagram and answer the following questions.

By what percent does the vacancies got increased in year 2016 from 2011?

The angles of elevation of the top of a tower as observed from the bottom and top of a building of height 80 metre are 60° and 45° respectively. The distance of the base of the tower from the base of the building is:-

If  $$ {2\ sinθ-cos θ\over {cosθ+sinθ}}=1$$, then value of cotθ is:

If cosec 39°= x, the value of $$ {1\over {cosec^{2}{51°}}} +sin^{2} 39^{°}+tan^{2}{51^{°}}-{1\over {sin^{2}{51^{°}}}{Sec^{2}{39^{°}}}}$$ is-

16 children are to be divided into two group A and B consisting of 10 and 6 children. The average percent marks obtained by the children of Group A is 75 and the average percent marks of all the 16 children is 76. What is the average percent marks of children of Group B?

The population of a village was 9600. In a year, with the increase in population of males by 8 % and that of females by 5 %, the population of the village became 10272. What was the number of males in the village before increase?