Traveling from point 'I' to point 'J' takes 9 hours less at a speed of 72 km/h compared to traveling at 36 km/h. If 70% of the distance is traveled at 63 km/h and the rest at 28 km/h, calculate the total time taken.
Let the distance between points 'A' and 'B' = d km Then, according to the question, (d/36) - (d/72) = 9 Or {(2d - d)/72} = 9 Or d/72 = 9 So, d = 648 And so, 70% of the distance from 'A' and to 'B' = 648 X 0.7 = 453.6 km Remaining distance = 648 – 453.6 = 194.4 km So, time taken = (453.6 ÷ 63) + (194.6 ÷ 28) = 7.2 + 6.9 = 14.1 hours
A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 ft, and the sum of the lengths of the...
The side of a square is equal to the perimeter of an equilateral triangle of area 36√3 cm2 . Find the area of the square?
Perimeter of a square is equal to the perimeter of a circle that is 704 cm. Find the ratio of the side of the square to the radius of the circle.
If base of a prism is square of side 5 cm & height is 30 cm . What is the volume of prism?
The sum of length, breadth and height of cuboid is 25cm.If the length of the diagonal is 15 cm, then find the total surface area of the cuboid. (in cm <...
The rectangular park has a length-to-breadth ratio of 8:7. Its perimeter exceeds the perimeter of a square-shaped park by 40 meters. The side length of ...
If the 4-digit number x67y is exactly divisible by 9, then the least value of (x + y) is _____.
If the altitude of an equilateral triangle is 9 cm then find out its area?
The volume of a hemisphere is 2425 (1/ 2) cm3. Find its diameter (Take p = 22/7)
What is the volume of a cylinder if the radius of the cylinder is 17 cm, and the height is 21 cm? (Take π = 22/7)
