What is the value of 13 x 4932?
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The mean of a distribution is 21 and the standard deviation is 7. What is the value of the coefficient variation?
A shop keeper cheats to the extent of 10% while buying and selling fruits, by using tampered weights. His total gain, in %, is:
The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is
If in ΔABC, DE ||BC, AB = 7.5cm, BD = 6cm and DE = 2cm, then the length of BC in cm is
Which of the following numbers is not composite?
Find the greatest four digit number when divided by 8, 12, 16 leaves 2 as remainder in every case?
What is the mean of first hundred natural numbers?