Of the diplomats who attended a summit conference: 20 spoke French, 32 did not speak Hindi and 20% ...
Of the diplomats who attended a summit conference: 20 spoke French, 32 did not speak Hindi and 20% of the diplomats spoke neither French nor Hindi. If 10% of the diplomats spoke both French and Hindi, then how many diplomats attended the conference?
Answer/Solution
120
Steps/Work
2X2 matrix will be the easiest way to calculate this.
Text in black: given statements
Text in red: calculated values
Thus D=120 is the correct answer
Text in black: given statements
Text in red: calculated values
Thus D=120 is the correct answer