Question
Which one of the following equations is correct, If
‘-’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’?Solution
in option I On replacing the signs:- 25 + 14 ÷ 7 x 6 ÷ 2 25 + 2 x 3 25 + 6 31
The mean proportion of 169 and 144 is:
A right circular cone has a height of 24 cm and a base radius of 9 cm. What is the total surface area of the cone, including the base?
If the volume of a cylinder is 486Ï€ and the ratio of radius to its height is 3:2 then find the curved surface area of cylinder?
The cost of fencing a rectangular field at the rate of Rs. 3/metre is Rs. 270. If the length of the field is 11 metres more than its breadth, then find ...
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If the length of a rectangle is increased by 25% and its breadth is decreased by 15%, then the area of the rectangle will be increased or decreased by h...
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The lateral surface area of a cube is 400 cm2. The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 12 ...
The ratio of the curved surface area to the total surface area of a cone is 5:9. Determine the ratio of the radius of the cone to its slant height. (Use...
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