Category : 9th Class
A sequence made up of three different systems namely Alpha or Letters (A, B, C, D,..., Z), Numeric or Digits (0, 1, 2, 3,...,9) and symbols is called Alpha-Numeric Sequence.
In this type of problems generally a number sequence is given. A candidate is required to apply some rule(s) on the sequence.
In this type of problems, usually a rank puzzle is given. It may be in the form of comparison of sizes, heights, weights, strengths, ages etc. among the objects/persons.
Time Sequence Test
In this type of problems, a time puzzle is given. One is required to decipher it.
1 ordinary year = 365 days
1 leap year = 366 days
1 century = 100 years
Number of days in February in a non-leap year = 28.
Number of days in February in a leap year = 29.
7 % 6 A # 5 P Q\[\div \]R + U 4 @ ` \[\times \] 3 \[\to \] H J * 2 \[\pi \]
In the reverse order of the above sequence, how many such symbols are there each of which is either immediately preceded by a vowel or immediately followed by a letter but not both?
(a) Two (b) Three (c) Four (d) Five
The reverse order of the given sequence is
\[\pi \]2 * J H \[\to \] 3 \[\times \] ` @ 4 U + R \[\div \] Q P 5 # A 6 % 7
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