MATHEMATIC


1. 20 % of 2 is equal to
  1. 20
  2. 4
  3. 0.4
  4. 0.04
Correct Answer: 0.4

2. Five different books (A, B, C, D and E) are to be arranged on a shelf. Books C and D are to be arranged first and second starting from the right of the shelf. The number of different orders in which books A, B and E may be arranged is
  1. 5!
  2. 3!
  3. 2!
  4. 3! * 2!
Correct Answer: 3!