Q1) There were two colour of pens in a draw. There were 4 blue pens ,and 9 purple pens. Two pens were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{7}{13}\)
]
Q1) There were 5 green pens ,and some blue pens in a box . Two pens were picked at random and not replaced. The probability they were both green was \(\frac{5}{14}\). How many blue pens were there ?
[ 3
]
Q1) There are 9 purple apples ,and some blue apples in a draw. Two apples were picked at random from the draw and not replaced. The probability they are both the different is \(\frac{18}{55}\). How many blue apples were there ?
[ 2
]
Q2) There were 5 green pens ,and 5 blue pens in a bag . Two pens were picked and not replaced. What was the probability they were both green ?
[ \(\frac{2}{9}\)
]
Q2) There were 4 red beads ,and some yellow beads in a tray . Two beads were picked at random and not replaced. The probability they were both red was \(\frac{1}{13}\). How many yellow beads were there ?
[ 9
]
Q2) There were 5 blue beads ,and some red beads in a tin. Two beads were picked at random from the tin and not replaced. The probability they were both the same is \(\frac{46}{91}\). How many red beads were there ?
[ 9
]
Q3) There were 5 yellow sweets ,and 4 blue sweets in a draw . Two sweets were picked and not replaced. What was the probability they were both yellow ?
[ \(\frac{5}{18}\)
]
Q3) There are 6 purple beads ,and some yellow beads in a bag . 6 extra yellow beads were added. Two beads were picked at random and not replaced. The probability they were both purple was \(\frac{5}{77}\). How many yellow beads were there to begin with ?
[ 10
]
Q3) There were 10 green pens ,and some purple pens in a packet. Two pens were picked at random from the packet and not replaced. The probability they were both the same is \(\frac{1}{2}\). How many purple pens were there ?
[ 6
]
Q4) There were 10 blue sweets ,and 6 yellow sweets in a draw . Two sweets were picked and not replaced. What was the probability they were both blue ?
[ \(\frac{3}{8}\)
]
Q4) There are 4 purple apples ,and some green apples in a bag . 6 extra green apples were added. Two apples were picked at random and not replaced. The probability they were both purple was \(\frac{2}{57}\). How many green apples were there to begin with ?
[ 9
]
Q4) There are two colour of beads in a tin. There are 2 more purple beads than red . Two beads are picked at random and not replaced.The probability they are both the same is \(\frac{7}{15}\). The number of red beads is less than 10. How many purple beads are there ?
[ 6 ]
Q5) There were 4 purple pens ,and 10 green pens in a tray . Two pens were picked and not replaced. What was the probability they were both purple ?
[ \(\frac{6}{91}\)
]
Q5) There are 10 yellow beads ,and some purple beads in a box . 3 extra purple beads were added. Two beads were picked at random and not replaced. The probability they were both yellow was \(\frac{45}{136}\). How many purple beads were there to begin with ?
[ 4
]
Q5) There were 4 blue pencils ,and some yellow pencils in a packet. Two pencils were picked at random from the packet and not replaced. The probability they were both the same is \(\frac{51}{91}\). How many yellow pencils were there ?
[ 10
]