Q1) There are 2 purple beads ,and 3 green beads in a bag.
a) What is the probability of picking a purple bead?
b) What is the probability of picking a green bead?
[ a) P(purple)=\(\frac{2}{5}\).
b) P(green)=\(\frac{3}{5}\).
]

Q1) There were 8 blue pens ,and 8 purple pens in a tray . Two pens were picked and not replaced. What was the probability they were both blue ?
[ \(\frac{7}{30}\) ]

Q1) There are 5 yellow sweets ,and some green sweets in a tin . 7 extra green sweets were added. Two sweets were picked at random and not replaced. The probability they were both yellow was \(\frac{10}{153}\). How many green sweets were there to begin with ?
[ 6 ]

Q2) There are 10 yellow pencils, 4 are green pencils, and 2 are red pencils in a tray
a) What is the probability of picking a yellow one?
b) What is the probability of picking a green one?
c) What is the probability of picking a red one?
[ a) P(yellow)=\(\frac{5}{8}\).
b) P(green)=\(\frac{1}{4}\).
c) P(red)=\(\frac{1}{8}\).
]

Q2) There were 4 blue apples ,and 2 green apples in a bag . Two apples were picked and not replaced. What was the probability they were both blue ?
[ \(\frac{2}{5}\) ]

Q2) There were 4 yellow beads ,and some blue beads in a draw . Two beads were picked at random and not replaced. The probability they were both yellow was \(\frac{1}{6}\). How many blue beads were there ?
[ 5 ]

Q3) There are 2 purple beads ,and 9 red beads in a bag.
a) What is the probability of picking a purple bead?
b) What is the probability of picking a red bead?
[ a) P(purple)=\(\frac{2}{11}\).
b) P(red)=\(\frac{9}{11}\).
]

Q3) There were 10 blue beads ,and 10 purple beads in a tin . Two beads were picked and not replaced. What was the probability they were both blue ?
[ \(\frac{9}{38}\) ]

Q3) There are 7 purple sweets ,and some blue sweets in a box . 7 extra blue sweets were added. Two sweets were picked at random and not replaced. The probability they were both purple was \(\frac{7}{57}\). How many blue sweets were there to begin with ?
[ 5 ]

Q4) There are 6 green beads ,and 10 blue beads in a bag.
a) What is the probability of picking a green bead?
b) What is the probability of picking a blue bead?
[ a) P(green)=\(\frac{3}{8}\).
b) P(blue)=\(\frac{5}{8}\).
]

Q4) There were 10 purple apples ,and 6 red apples in a tray . Two apples were picked and not replaced. What was the probability they were both purple ?
[ \(\frac{3}{8}\) ]

Q4) There were 10 purple beads ,and some red beads in a tray . Two beads were picked at random and not replaced. The probability they were both purple was \(\frac{45}{136}\). How many red beads were there ?
[ 7 ]

Q5) There are 10 yellow beads ,and 2 green beads in a bag.
a) What is the probability of picking a yellow bead?
b) What is the probability of picking a green bead?
[ a) P(yellow)=\(\frac{5}{6}\).
b) P(green)=\(\frac{1}{6}\).
]

Q5) There were 8 blue sweets ,and 2 red sweets in a bag . Two sweets were picked and not replaced. What was the probability they were both blue ?
[ \(\frac{28}{45}\) ]

Q5) There are 10 purple pens ,and some yellow pens in a bag . 3 extra yellow pens were added. Two pens were picked at random and not replaced. The probability they were both purple was \(\frac{3}{14}\). How many yellow pens were there to begin with ?
[ 8 ]