Question
Let X and Y be two related variables. The two
regression lines are given by x-y+1=0 and 2x-y+4=0. The two regression lines pass through the point:Solution
A solid metallic sphere of diameter 30 cm is melted and recast into a right circular cone having diameter of the base equal to 15 cm. What is the heigh...
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The sum of the perimeter of circle R and S together is 1012 cm. If the area of circle S is 18634 cm2 , then the radius of circle R is approxi...
A closed wooden box of uniform thickness has length, breadth and height 20cms, 16cms and 12 cms respectively. If the thickness of the wooden block is 2 ...
The perimeter of 3 squares is 28 cm, 36 cm and 48 cm respectively. What will be the area of the square having perimeter equal to sum of edges of 3 squar...
On a rectangular wall of length 24 metres and height 19 metres, there is a window in the shape of triangle surmounted on a square. If the base of triang...
