Directions: Each question or group of questions is based on a passage, graph, table, or set of conditions. In answering some of the questions, it may be useful to draw a rough diagram. For each question, select the best answer choice given.
Questions 1-3
Packing labels identify individual packages by means of a four-symbol identification code running left to right. The symbols used are the four digits 1, 2, 3, and 4 and the four letters W, X, Y, and Z.
Each code consists of two digits and two letters.
The two digits must be next to each other, and the two letters must be next to each other.
Of the two digits, the one to the left must be less than the one to the right.
The two letters must be different letters.
1) Which of the following could be the third symbol in a code in which the fourth symbol is 3?
(A) W
(B) X
(C) Z
(D) 1
(E) 4
2) Which of the following must be true of any code in which the letter W occurs?
(A) The letter X also occurs in that code.
(B) The letter Y also occurs in that code.
(C) The letter Z also occurs in that code.
(D) The letter W occurs in that code exactly once.
(E) The letter W occurs in that code exactly twice.
3) If the first symbol in a code is 2, any one of the following symbols could occur in one of the remaining three positions EXCEPT the
(A) digit 1
(B) digit 3
(C) digit 4
(D) letter Y
(E) letter Z
Detailed Explanation (in Bangla)
Answer Keys