If , then the value of is

The ratio of income of two persons is 5 : 3 and that of their expenditures is 9 : 5. If they save ₹ 1300 and ₹ 900 respectively. Their incomes are:

A circle is inscribed in a equilateral triangle of side 24 cm. What is the area ( in cm²) of a square inscribed in the circle?

If a^2x+2=1, where a is a positive real number other than 1, then x is equal to 

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?

A car can finish a certain journey in 10 hours at a speed of 42 kmph. In order to cover the same distance in 7 hours, the speed of the car (km/h) must be increased by:

10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?

P, Q and R share the profit in a business in the ratio of 1/4, 1/6 and 7/12. Due to some reason, R takes retirement. What will be the new profit sharing ratio for P and Q if they retain their old ratios in the new shares of profit?