## S-7-30-The median of the following dats is 525. Find the value of x and y if the total frequencry is 100.

The median of the following dats is 525. Find the value of x and y if the total frequencry is 100. Draw a less than type and a more than type ogive from the given data. Hence, obtain the median marks from Read More …

## S-7-29-A tent is the form of a cylinder of diameter 4.2 m and height 4 m, surrounding by a cone of equal base and height 2.8 m. find the capacity of the tent and the cost of canvas for making the tent at 100 per sq. m.

A tent is the form of a cylinder of diameter 4.2 m and height 4 m, surrounding by a cone of equal base and height 2.8 m. find the capacity of the tent and the cost of canvas for making the tent Read More …

## S-7-28-Two circular flower beds lie on two sides AB and CD of a square lawn ABCD of side 56 m. If the centre of each circular flower bed is point of intersection O of the diagonals of square lawn. Find the sum of the areas of the lawn and flower beds.

Two circular flower beds lie on two sides AB and CD of a square lawn ABCD of side 56  m. If the centre of each circular flower bed is point of intersection O of the diagonals of square lawn. Find the sum Read More …

## S–7-27-Prove that (sin A +cos A/sin A -cos A)+ (sin A -cos A/sin A + cos A) =2/sin² A cos ² A

Prove that (sin A +cos A/sin A -cos A)+ (sin A -cos A/sin A + cos A) =2/sin² A cos ² A

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