Formed from the digits
How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated?
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A force of 20 N holds an ideal spring with a 1-N/m spring constant in compression. The potential energy stored in the spring is?
The I've been moved company gets a constant flow of funds from its worldwide operations. This money (in the form of checks) is continusly deposited in many banks with the goal of earning as much interest for the company.
Assume a sample of size n is to be drawn from normal distribution where %u03C3 is known to be 14.3. How large does n have to be to guarantee that the length of the 95% confidence interval for %u03BC will be less than 3.06?
Bob's Discount Shoe Source is adding the new line of shoes to the company portfolio and has the following information: the expected market return is 13%, the risk-free rate is 3%, and expected return on the new project is 11%. Determine the beta
A jogger running at the 9 kmph alongside a railway track in 240 metres ahead of the engine of 120 metres long train running at 45 kmph in same direction. In how much time will train pass the jogger?
The altitude of a triangle is 3/4 the length of its base. If the altitude were increased by 3 feet and the base decreased by 3 feet, the area would be unchanged. Find the length of the base and altitude.
Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?
The shortest side of a triangle is three inches shorter than the longest side. The remaining side is two inches longer than the shortest side. The perimeter of the triangle is twenty inches. What is the length of each side?
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