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Cheatsheet: Symbols, Notations & Sequences

Theory

Symbols and Notations are the type of questions where alphabets are presented with some inequality symbols and mathematical operators. Based on the given examples, we are expected to apply the same logic to the operations given in the question.

Theory

Tips

  • If a question is asked about the reverse order, write the reverse down. If a question is asked about eliminating a type of letter/number/character, strike it off from the series.
  • Write the series down in groups of 5. It would make counting much easier.

Solved Example

MULTIPLE CHOICE QUESTION

Try yourself: Observe the series given below and answer the questions that follow:
ACBEBCEAABCEABCEEACCABEBBECAACBCEBAE
If all the Cs are eliminated, which is the seventeenth element from the right?

A

A

B

B

C

C

D

E

MULTIPLE CHOICE QUESTION

Try yourself: Observe the series given below and answer the questions that follow:
ACBEBCEAABCEABCEEACCABEBBECAACBCEBAE
Are there more consonants or vowels in the given series?

A

consonants

B

vowels

C

same number of vowels and consonants

D

data not sufficient

E

none of the above

The document Cheatsheet: Symbols, Notations & Sequences is a part of the Mechanical Engineering Course General Aptitude for GATE.
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