A single discount equivalent to three successive discounts i.e. 7%, 12% and 5% is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 22.252%
Successive percentage = a + b + c - (ab + bc + ca)/100 - abc/1002
= 7 + 12 + 5 + (84 + 60 + 35)/100 + 420/10000
= 24 -1.79 - 0.042
= 22.168% ≈ 22.252%