The mean of a distribution is 21 and the standard deviation is 7. What is the value of the coefficient variation?
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In ΔPQR measure of angle Q is 90°. If cosP = 5/13, and PQ = 2.5cm, then what is the length (in cm) of side PR?
Which of the following numbers is composite?
If a person bought an item for Rs. 96 and sold it at a profit of 12.5%, the selling price of the item was
The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :
Three consecutive natural numbers are such that the square of the greatest is greater than the product of the other two by 19. The smallest of these numbers is
What is the distance between the points (4,-8) and (-2,0)?
What is the value of ( 1/3 - cosec30°) ?
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