HardBlack Riddle
Out of 100 ladies attending the gala,85 had a white handbag;75 had black shoes;60 carried an umbrella;90 wore a ring; How many ladies must have had all four items?
Riddle
Out of 100 ladies attending the gala,85 had a white handbag;75 had black shoes;60 carried an umbrella;90 wore a ring; How many ladies must have had all four items?
Choose an answer
A.15
B.5
C.20
D.10 Divide by 3. All the ladies had three items. The remainder shows the number of ladies who had 4. 85756090______310 / 3 = 100 + 10 remainder
Hint: It's a 18-word phrase with 82 letters, starting with "1".
Answer
10 Divide by 3. All the ladies had three items. The remainder shows the number of ladies who had 4. 85756090______310 / 3 = 100 + 10 remainder
Why this is the answer
Using inclusion-exclusion logic on the shortfalls from 100 for each item, at minimum 10 ladies must have possessed all four items.
This riddle is filed under Color Riddles and rated Hard.