A company installed 36 punching machines at the beginning of the year.In the spring they installed 9 additional m/c's and then discontinued 18 in the fall.How many were still installed at the end of the year?
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Concentrations of three wines A, B and C are 10, 20 and 30 percent respectively. They are mixed in the ratio 2 : 3 : x resulting in a 23% concentration solution. Find x.
Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is.. plz give the explanation... plz
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If it takes 10 technicians working 6 hours to build a server. They start woring at 11 AM and 1 technician is added per hour starting at 5 PM. At what time they will finish the server?
Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him. What is the length of faster train?
a dog takes 4 leaps for every 5 leaps of a hare but 3 leaps of a dog are equal to 4 leaps of the hare .compare their speeds(.......... please give explanation....)
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(103.7 x 101.3)2 = 10? (a) 6 (b) 7 (c) 10 (d) 3 (e) None of these
What are the areas shell do ask questions during their technical selection test? send it to my email: kingsbogon@yahoo.com ,Thank you in advance
A cube is painted red on two adjacent faces,yellow on two faces opposite to red faces and green on the remaining faces. It is cut into 64 smaller cubes of equal size.How many cubes have one face green and one of the adjacent faces red or yellow?Explain with diagram
a man sells an article at a profit of 20%. if he had bought it for 20% less but sells at the same price, find the gain %.
A room is 30 X 12 X 12. a spider is on the middle of the smaller wall, 1 feet from the top, and a fly is on the middle of the opposite wall 1 feet from the bottom. what is the min distance required for the spider to crawl to the fly.
solution of system of equations y-z=0,x+8y=4,3x+4y=7z is