CSAT (Aptitude)·MCQ Practice
Line Graphs — MCQ Practice
Updated 19 Oct 2026
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
Q1medium
A line graph records 20 units in 2020, 50 in 2023 and 65 in 2024. Which interval has the larger average annual increase?
Q2medium
An index rises from 40 to 50 between two observations. What percentage increase does that represent?
Q3medium
A cumulative-production curve rises from 180 to 240 units between two dates. How many units were added during that interval?
Q4medium
At the start of an annual interval series A exceeds B; at its end B exceeds A. No within-year observations or interpolation rule are supplied. What is established?
Q5medium
A quantity starts at 100, increases by 20%, then decreases by 20% of its new value. What is the final quantity?