A. 2x – 3y = 15
B. 2x + 3y = 15
C. 3x + 2y = 15
D. 3x – 2y = 15
The number of bricks, each measuring 25 cm x 12.5 cm x 7.5 cm, required to construct a wall 6m long , 5m high and 0.5 m thick, while the mortar occupies 5% of the volume of the wall, is
A flagstraff 17.5 m high casts a shadow of length 40.25 m. The height of the building which casts a shadow of length 28.75 m under similar conditions will be?
What is the distance between the c intercept and the r intercept of the line given by the equation?
2r = 6 - f?
The slope of the line Joining A (-4. 6) and B (5, 3) is
What is the slope of the line given by the equation 3p – 5 = 5 – 2k?
Where defined, {y2 – 3/3} {8/2y + 3} =
The area of a rhombus is 150 cm2. The length of one of its diagonals is 10cm. The length of the other diagonal is:
The radii of two cylinders are in the ratio 2 : 3 and heights 5 : 3. Calculate ratio of their volumes
Two diagonals of a parallelogram are 72 cm and 30 cm respectively. What is its perimeter?
The cost of cultivating a square field at the rate of Rs. 135 per hectare is Rs. 1215. The cost of putting a fence around it at the rate of 75 paise per metre would be