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Let the speed of the faster train and slower train is x m/sec and y m/sec When running in the same direction (x – y) × 36 = (200 + 160) = 360………….(i) When running in opposite directions (x + y) × 18 = (200 + 160) = 360………….(ii) From (i) and (ii) x = 15, y = 5
A rectangle has a length that is 50% greater than the side of a square, which covers an area of 64 cm². If the rectangle itself encompasses an area of...
Perimeter of a square and circumference of a circle are in the ratio 15:11, respectively. If area of the square is 225 cm2, then find the rad...
If the area of a square field is 729 m2, then find the diagonal of the square field.
The area of a circle got increased by 22 cm² when the radius was increased by 1 cm. d by 1 cm. What was the original radius?
The lateral surface area of a cube is 324 cm2 . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 9 ...
In triangle ABC, the bisector of angle BAC cuts the side BC at D. If AB = 10 cm, and AC = 14 cm then what is BD : BC ?
Determine the slant height of a cone with a volume of 1,884 cm³ and a base radius of 15 cm. (Use π = 3.14)
The perimeter of 4 squares is 24 cm, 36cm, 40 cm, and 44 cm respectively. What will be the area of the square having perimeter equal to sum of edges of ...
Find how many cubes of side 1 cm each can be made by melting a cuboid with dimensions 20cm × 40cm × 5cm?
The length of sides of a square is twice the radius of a circle and perimeter of a rectangle is half the perimeter of the square. If the sum of length a...
