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UPSC CSAT • TOPIC PRACTICE

Number Series

Practice all 18 questionsclassified under Number Series.

18Questions
+2.5Correct
−0.833Wrong
0Skipped
TOPIC PRACTICEQuestion 1 of 18
Score0.00
2026
Question 18
Number / Alphabet Series
A pattern formed by two characters a and b is repeated more than once in the following string: × b × a × a × × a × a × b a b What is × × in the 7th and 8th positions from the left in the above string?
i
UPSC CSAT marking

Correct answer: +2.5 marks. Incorrect answer: −1/3 of 2.5 marks (−0.8333 marks). Skipped questions receive 0 marks.