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Numerical Ability

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Numerical Ability
An Introduction To English Grammar And Languages
COMMON ERRORS
TRANSFORMATION OF SENTENCES (ACTIVE/PASSIVE)
Ordering of Sentences
Change of Speech
One Word Substitutes
Paragraph Formation
Sentence Formation
Antonyms
Change of Voice
Comprehension
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Spellings
Synonyms
Verbal Analogies
Idioms and Phrases
Closet Test
Completing Statements
Ordering of Words
Selecting Words
Sentence Improvement
  1. The next term in the series 81, 54, 36, 24, ...is
    1. 15
    2. 24
    3. 16
    4. 12
Correct Option: C

81 – 54 = 27; 27 ×
2
= 18
3

54 – 36 = 18; 18 ×
2
= 12
3

36 – 24 = 12; 12 ×
2
= 8
3

∴ 24 – 8 = 16


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