Quantitative Aptitude

Number Series

2,662 Questions
All First differences and arithmetic progressions 812 Successive multiplication or division 429 Step-wise calculations 349 Squares and cubes based 338 Separate alternate positions 241 Inter-term operations 144 Mixed-operation rules 138 Unconventional pattern solving 74 Fractional and decimal operations 60 Prime number based 54 Digit operations 23

Number Series Questions

Multiple choice

What is the 99th term of the series S? (A) The first 4 four terms are (1 + 1)2, (2 + 1)2, (3 + 1)2 and (4 + 1)2. (B) For every X, the Xth term of S is (X + 1)2.

  1. If the question can be solved using any one of the statements.

  2. If the question can be solved using either of the statements.

  3. If the question can be solved using both but not either alone.

  4. If the question cannot be solved using the given statements.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Statement A provides the first 4 terms, which follow the pattern (n+1)^2. Statement B explicitly gives the general formula for the Xth term as (X+1)^2. Either statement is sufficient to find the 99th term.