Q1) There were two colour of sweets in a draw. There were 10 yellow sweets ,and 9 green sweets. Two sweets were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{9}{19}\)
]
Q1) There are 5 blue apples ,and some green apples in a box . 2 extra green apples were added. Two apples were picked at random and not replaced. The probability they were both blue was \(\frac{2}{9}\). How many green apples were there to begin with ?
[ 3
]
Q1) There were 8 yellow apples ,and some purple apples in a box. Two apples were picked at random from the box and not replaced. The probability they were both the same is \(\frac{7}{15}\). How many purple apples were there ?
[ 8
]
Q2) There were two colour of beads in a box. There were 6 green beads ,and 7 blue beads. Two beads were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{6}{13}\)
]
Q2) There are 9 purple pens ,and some yellow pens in a tray . 4 extra yellow pens were added. Two pens were picked at random and not replaced. The probability they were both purple was \(\frac{36}{253}\). How many yellow pens were there to begin with ?
[ 10
]
Q2) There are two colour of pencils in a tray. There are 2 more purple pencils than yellow . Two pencils are picked at random and not replaced.The probability they are both the same is \(\frac{43}{91}\). The number of yellow pencils is less than 10. How many purple pencils are there ?
[ 8 ]
Q3) There were two colour of pens in a packet. There were 6 blue pens ,and 6 purple pens. Two pens were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{5}{11}\)
]
Q3) There were 7 red beads ,and some green beads in a bag . Two beads were picked at random and not replaced. The probability they were both red was \(\frac{7}{22}\). How many green beads were there ?
[ 5
]
Q3) There are two colour of apples in a tin. There are 3 more red apples than blue . Two apples are picked at random and not replaced.The probability they are both the same is \(\frac{27}{55}\). The number of blue apples is less than 10. How many red apples are there ?
[ 7 ]
Q4) There were two colour of apples in a tray. There were 9 yellow apples ,and 2 blue apples. Two apples were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{37}{55}\)
]
Q4) There are 10 purple apples ,and some yellow apples in a packet . 5 extra yellow apples were added. Two apples were picked at random and not replaced. The probability they were both purple was \(\frac{5}{17}\). How many yellow apples were there to begin with ?
[ 3
]
Q4) There are 4 purple beads ,and some blue beads in a box. Two beads were picked at random from the box and not replaced. The probability they are both the different is \(\frac{6}{13}\). How many blue beads were there ?
[ 9
]
Q5) There were two colour of pens in a tin. There were 9 blue pens ,and 7 yellow pens. Two pens were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{19}{40}\)
]
Q5) There were 6 yellow pencils ,and some blue pencils in a packet . Two pencils were picked at random and not replaced. The probability they were both yellow was \(\frac{1}{7}\). How many blue pencils were there ?
[ 9
]
Q5) There are 6 green beads ,and some yellow beads in a draw. Two beads were picked at random from the draw and not replaced. The probability they are both the different is \(\frac{1}{2}\). How many yellow beads were there ?
[ 10
]