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In a group of 10 men, 4 speak English, 3 speak Spanish and 3 speak French. If 2 are selected at random, then what is the probability that the first man chosen speaks English and the second one chosen speaks French? => 2 15 or 19 ..

There are 20 English books and 7 French books in a shelf. In how many ways can one English book and one French book be chosen? => 140 or 7 or 20 or 2..

Alice has a collection of 4 French novels, 3 English novels, 4 American magazines and 3 German magazines. If she picks one of them without opening her eyes, what are the equally likely outcomes? => Selecting an English novel or a German magazine. or Selecting..

Grade measure (Centesimal system or French system) The principal unit of this system is grade(g) which is one hundreds part of right angle. one grade = 100 minutes 1 minutes = 100 seconds 1 right angle = 100 grades (100 g ) 1 g = ..

A Karate expert strikes a board of mass 0.14 kg and breaks it, with his fist of mass 0.70 kg. He then does the same to a 3.2 kg concrete bloc..

A Karate expert strikes a board of mass 0.14 kg and breaks it, with his fist of mass 0.70 kg. He then does the same to a 3.2 kg concrete block. The spring constant 'k' for bending are, 4.1 x 10 4 N/m for the board and 2.6 x 10 6 N/m for the block. Breaking occurs at a ..

The number of students opting for Japanese and French in a school are 60 and 281 respectively. The number of students opting for Japanese has been increasing at the rate of 6 students per year and that for French has been decreasing at the rate of 11 students per year. How long ..

Three of these points are the vertices of a right triangle. Which one is not a vertex of the triangle? (2, -1), (1, 2), (3, 2), (3, -3). => (3, -3) or (3, 2) or (2h..

A body is said to be in motion if its position changes with respect to its surrounding. In order to completely describe the motion of such objects, we need to specify its position. For this, we need to know the position coordinates. In some cases, three position coordinates are required, in some ca..

Identify the one that holds more than 1 liter. => Figure 1 or Figure 2 or Figure 3 or Figure 4..