Foundation
USE WHEN
Several increases, decreases, markups, discounts or growth rates occur in sequence.
BEST METHOD
Net Multiplier Method
TARGET
90–120 sec
MASTERY
not started
Several increases, decreases, markups, discounts or growth rates occur in sequence.
Represent every operation as a multiplier and multiply them in order.
Cancel reciprocal factors early: ×1.25 and ×0.8 cancel exactly.
Convert every change into a multiplier and multiply left to right.
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 2024 slot 3 successive salary increments; cat 2021 slot 2 loss-growth investment also uses chained multipliers.