For the following questions answer them individually
If 25 persons can complete a work in 140 days, then how many persons will be required to complete the same work in 70 days?
Four numbers are in the ratio 1 : 2 : 3 : 5. Two times their sum is 44. Find the ratio in the numbers obtained by subtracting 3 from the cube of each number.
On a straight road, a bus is 30 km ahead of a car travelling in the same direction. After 3 hours, the car is 60 km ahead of the bus. If the speed of the bus is 42 km/h, then find the speed of the car.
Find the perimeter of major sector of a circle of radius 12 metres, whose minor sector subtends an angle of $$75^{\circ}$$ at the centre.
If $$x^{4}+\frac{1}{x^{4}} + 1154$$, where x > 0, than what is value of $$x^{3}+\frac{1}{x^{3}}$$
The bar graph given here shows the data of the production of cars by three different companies X, Y, Z over the years.
The average production for 5 years was maximum for which company/companies?
The percentage marks obtained by 6 students in different subjects are given below. The maximum marks for each subject have been indicated in the table.
What are the average marks obtained by all students in Geography?
The following table shows the percentage of marks obtained by five students - V, W, X, Y and Z - in five subjects.
What are the average marks, in percentage, obtained by X?