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Hard Puzzles Questions and Answers

Puzzles
4. In a group of 28 junior high school students, 7 take French, 10 take Spanish, and 4 take both languages. The students taking both French and Spanish are not counted with the 7 taking French or the 10 taking Spanish. How many students are not taking either French or Spanish?
Ans: 7
Sol.
Seven students are not taking a language.
Add 7 + 10 + 4 to get 21.
Then subtract 21 from the total students 28 – 21 = 7.
 
5. Which is the missing square?
Ans: C.
Sol.
A line is added at the top and bottom alternately.
 
 
6.

Sol.
Margaret 17
Stuart 12
Jeffrey 32
Brian 25 and Philip 21.