What is the value of sec 4π/3?
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28% of a number is 35. What is the number?
The mean of a distribution is 20 and the standard deviation is 4. What is the value of the coefficient variation?
The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is
What is the value of a-b when a2+b2-6a-6b+18 = 0 ?
 A wooden bowl is in shape of a hollow hemisphere of internal radius 8 cm and thickness 1 cm. Find the total surface area of the bowl?
The largest chord of the circle has a length of 20.4 cm. The radius of the circle will be_____.
In the given figure, P is the center of the circle. If QS = PR, then what is the ratio of angles RSP to the TPR ?