Home › CAT › Quantitative Aptitude › Progressions › The list minus 2, 2, minus 2, 2 is not a progres…
The list minus 2, 2, minus 2, 2 is not a progression because the differences are:
ANot whole
BNot signed
CNot shown
DNot the same
Answer & Solution
Correct answer: D. Not the same
1. The first gap is 4 and the next is minus 4.
2. A progression needs one fixed gap.
3. The differences are not the same.
_Source: NCERT Class 10 Mathematics, Chapter 5, Arithmetic Progressions._
Related questions
A well costs 150 rupees for the first metre and rises by 50 for each further metre. The coThe middle term b of such a triple is called the:If a, b and c are in a progression, then b equals:The sum of the first 1000 positive integers is:If the last term of a finite progression is l, the sum of all its terms is n by 2 times:The sum of the first 22 terms of the list 8, 3, minus 2 is:The sum of the first n terms of a progression can be written as n by 2 times:Gauss found the sum of the whole numbers from 1 to 100 to be: