Alpha Numeric Sequence Test Practice Questions Answers Test With Solutions & More Shortcuts

Directions:

These questions are based on the following arrangement of symbols, letters and numbers:

↑ 9 B Q = $ 2 5 R J ∂ L 3 @ Y M E 6 8 ® ÷ D F 4 β H 7 ©.

[R.B.I. 2005]

Question : 6

How many such numbers are there in the arrangement each of which is immediately preceded by a symbol but not immediately followed by a letter?

a) Nil

b) One

c) Two

d) Three

e) None of these

Answer: (b)

↑ 9 B Q = $ 2 5 R J ∂ L 3 @ Y M E 6 8 ® ÷ D F 4 β H 7 ©

Question : 7

Four of the following five are alike in a certain way based on the positions of the elements in the above arrangement and hence form a group. Which one does not belong to the group?

a) ® ÷ 8 D 6

b) Y M @ E 3

c) @ Y 3 M L

d) β H 4 7 D

e) B Q 9 = ↑

Answer: (d)

In all other groups, the first element moves one step forward;

the second element moves two steps back ward;

the third element moves three steps forward;

the fourth element moves four steps backwards to give the second, third, fourth and fifth elements respectively.

Question : 8

How many such symbols are there in the above arrangement each of which is either immediately followed by a number or immediately preceded by a letter?

a) One

b) Two

c) Three

d) Four

e) More than four

Answer: (d)

9 B Q = S 2 5 R J L 3 @ Y M E 6 8 ® ÷ D F 4 β H 7 ©

Question : 9

A total number of pairs of adjacent symbol and letter (X), the total number of pairs of adjacent letter and number (Y) and the total number of pairs of adjacent number and symbol (Z) in the above arrangement are written in the descending order. Which of the following will indicate the same?

a) X, Y, Z

b) X, Z, Y

c) Y, X, Z

d) All the three are equal in number

e) None of these

Answer: (d)

Adjacent symbol - letter pairs are  ∂ L 3 @ Y, ÷ D,β H.

So, X = 4.

Adjacent letter - number pairs are L 3, E 6, F 4, H 7.

So, Y = 4.

Adjacent number - symbol pairs are 3 @, 8 ®, 4 β, 7 ©.

So, Z = 4.

Thus, X = Y = Z.

Question : 10

How many such letters are there in the arrangement each of which is immediately followed by a number but not immediately preceded by a symbol?

a) Nil

b) One

c) Two

d) Three

e) Four

Answer: (c)

↑ 9 B Q = $ 2 5 R J ∂ L 3 @ Y M E 6 8 ® ÷ D F 4 β H 7 ©

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