Question
A quantity is first increased by 60% and then decreased
by 25%. Calculate the overall percentage increase or decrease.Solution
ATQ,
Let the quantity be 100b
Final quantity = 1.60 × 0.75 × 100b = 120b
Overall percentage change = [(120b - 100b) ÷ 100b] × 100 = 20% increase
More Percentage Questions
18 45 90 235 450 1125 2250
...42, 85, 172, 343, 687, 1375
1, 4, 20, 126, 1026, 10170
79, 152, 231, 314, 405, 500
Find the wrong no in the given number series.
11, 18, 32, 60, 112, 228
Find the wrong number in the given number series.
21, 11, 12, 19, 41, 105
- Find the wrong number in the given number series.
154, 137, 114, 84, 46, 11 - Find the wrong number, in the given number series.
2, 5, 11, 23, 47, 97, 191 23, 36, 53, 69, 95, 124, 155
109 106 101 94 86 74
...
Relevant for Exams:
