Q1) There are 5 red beads ,and 2 yellow beads in a bag.
a) What is the probability of picking a red bead?
b) What is the probability of picking a yellow bead?
[ a) P(red)=$\frac{5}{7}$.
b) P(yellow)=$\frac{2}{7}$.
]

Q1) There were 8 purple apples ,and 10 green apples in a draw . Two apples were picked and not replaced. What was the probability they were both purple ?
[ $\frac{28}{153}$ ]

Q1) There were 7 purple sweets ,and some red sweets in a tin . Two sweets were picked at random and not replaced. The probability they were both purple was $\frac{7}{12}$. How many red sweets were there ?
[ 2 ]

Q2) There are 10 green pens, 2 are yellow pens, and 10 are blue pens in a box
a) What is the probability of picking a green one?
b) What is the probability of picking a yellow one?
c) What is the probability of picking a blue one?
[ a) P(green)=$\frac{5}{11}$.
b) P(yellow)=$\frac{1}{11}$.
c) P(blue)=$\frac{5}{11}$.
]

Q2) There were 6 blue sweets ,and 3 green sweets in a packet . Two sweets were picked and not replaced. What was the probability they were both blue ?
[ $\frac{5}{12}$ ]

Q2) There are 8 blue sweets ,and some green sweets in a bag . 2 extra green sweets were added. Two sweets were picked at random and not replaced. The probability they were both blue was $\frac{4}{15}$. How many green sweets were there to begin with ?
[ 5 ]

Q3) There are 9 yellow beads ,and 8 purple beads in a bag.
a) What is the probability of picking a yellow bead?
b) What is the probability of picking a purple bead?
[ a) P(yellow)=$\frac{9}{17}$.
b) P(purple)=$\frac{8}{17}$.
]

Q3) There were 6 yellow sweets ,and 10 purple sweets in a tin . Two sweets were picked and not replaced. What was the probability they were both yellow ?
[ $\frac{1}{8}$ ]

Q3) There were 9 red beads ,and some yellow beads in a box . Two beads were picked at random and not replaced. The probability they were both red was $\frac{36}{55}$. How many yellow beads were there ?
[ 2 ]

Q4) There are 4 red beads ,and 7 yellow beads in a bag.
a) What is the probability of picking a red bead?
b) What is the probability of picking a yellow bead?
[ a) P(red)=$\frac{4}{11}$.
b) P(yellow)=$\frac{7}{11}$.
]

Q4) There were 6 blue beads ,and 5 purple beads in a tin . Two beads were picked and not replaced. What was the probability they were both blue ?
[ $\frac{3}{11}$ ]

Q4) There are 4 blue pencils ,and some red pencils in a draw . 2 extra red pencils were added. Two pencils were picked at random and not replaced. The probability they were both blue was $\frac{3}{14}$. How many red pencils were there to begin with ?
[ 2 ]

Q5) There are 5 yellow apples, 8 are red apples, and 2 are blue apples in a tray
a) What is the probability of picking a yellow one?
b) What is the probability of picking a red one?
c) What is the probability of picking a blue one?
[ a) P(yellow)=$\frac{1}{3}$.
b) P(red)=$\frac{8}{15}$.
c) P(blue)=$\frac{2}{15}$.
]

Q5) There were 9 green beads ,and 5 red beads in a box . Two beads were picked and not replaced. What was the probability they were both green ?
[ $\frac{36}{91}$ ]

Q5) There were 4 yellow sweets ,and some red sweets in a bag . Two sweets were picked at random and not replaced. The probability they were both yellow was $\frac{3}{14}$. How many red sweets were there ?
[ 4 ]