Answer: 11/4 x 7 = 11/2 ; 3/35 x 7 = 3/5 ; 5/7 x 7 = 5. So, the last three you listed work with 7 in the blank.
The explanation in the attachment.
Q1.
Answer: two over sixQ2.
Answer: one over eight Q3.Answer: 2 - Red and PinkQ4.Answer : Second table /attachment/.Card Color
Green Yellow Purple Purple Green, Purple Yellow, Purple Purple,
Purple Green Green, Green Yellow, Green Purple,
Green I don't know what happened to LaTeX. The formula of Q1 and Q2 in attachment.
I believe it’s 140 maybe.