Foundation
USE WHEN
A is x% more/less than B and reverse comparison is asked.
BEST METHOD
Base-100 Method
TARGET
45–60 sec
MASTERY
not started
A is x% more/less than B and reverse comparison is asked.
Changing the comparison direction changes the percentage because the base changes.
Set the smaller/base quantity to 100 whenever possible.
Assume the smaller or reference quantity as 100 to reverse the relation instantly.
Timed drill
Identify the base or invariant before you calculate.
Attempt first · Standard Example
Attempt first · CAT-Level Example
3-level practice ladder
Foundation
CAT Standard
Advanced / Hybrid
cat 2025 slot 2: amount division question includes '20% less than' plus ratio reconstruction.