The variance of a set of data is 121. Then the standard deviation of the data is
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Who studied the relationship between music intervals?
A number was divided in the ratio 3:2. When 8 was was added to each of the numbers the ratio changed to 7:5. The greater of the two numbers was
Which of the following leaders formed 'India Home Rule Society'?
The shadow of a tower when the angle of elevation of the sun is 45°, is found to be 10 m longer than when it was 60° . The height of the tower is
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In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.
The surface area of a sphere is 5544 cm2. Find its diameter (in cm).
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