Q1) There were 8 blue pencils ,and 7 purple pencils in a draw . Two pencils were picked and not replaced. What was the probability they were both blue ?
[ \(\frac{4}{15}\)
]
Q1) There were 8 purple pencils ,and some yellow pencils in a draw . Two pencils were picked at random and not replaced. The probability they were both purple was \(\frac{14}{39}\). How many yellow pencils were there ?
[ 5
]
Q1) There are two colour of pencils in a box. There are 2 more green pencils than yellow . Two pencils are picked at random and not replaced.The probability they are both the same is \(\frac{31}{66}\). The number of yellow pencils is less than 10. How many green pencils are there ?
[ 7 ]
Q2) There were 6 yellow pens ,and 6 purple pens in a bag . Two pens were picked and not replaced. What was the probability they were both yellow ?
[ \(\frac{5}{22}\)
]
Q2) There are 6 blue apples ,and some purple apples in a packet . 6 extra purple apples were added. Two apples were picked at random and not replaced. The probability they were both blue was \(\frac{5}{77}\). How many purple apples were there to begin with ?
[ 10
]
Q2) There were 6 red beads ,and some green beads in a draw. Two beads were picked at random from the draw and not replaced. The probability they were both the same is \(\frac{4}{7}\). How many green beads were there ?
[ 2
]
Q3) There were two colour of apples in a packet. There were 7 purple apples ,and 5 yellow apples. Two apples were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{31}{66}\)
]
Q3) There are 10 yellow apples ,and some green apples in a bag . 2 extra green apples were added. Two apples were picked at random and not replaced. The probability they were both yellow was \(\frac{3}{7}\). How many green apples were there to begin with ?
[ 3
]
Q3) There are 6 yellow pencils ,and some green pencils in a tray. Two pencils were picked at random from the tray and not replaced. The probability they are both the different is \(\frac{18}{35}\). How many green pencils were there ?
[ 9
]
Q4) There were two colour of pens in a packet. There were 6 green pens ,and 5 red pens. Two pens were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{5}{11}\)
]
Q4) There are 5 green pens ,and some yellow pens in a draw . 3 extra yellow pens were added. Two pens were picked at random and not replaced. The probability they were both green was \(\frac{2}{9}\). How many yellow pens were there to begin with ?
[ 2
]
Q4) There are 7 purple sweets ,and some green sweets in a packet. Two sweets were picked at random from the packet and not replaced. The probability they are both the different is \(\frac{7}{13}\). How many green sweets were there ?
[ 6
]
Q5) There were 10 blue sweets ,and 7 red sweets in a packet . Two sweets were picked and not replaced. What was the probability they were both blue ?
[ \(\frac{45}{136}\)
]
Q5) There are 7 blue sweets ,and some green sweets in a packet . 3 extra green sweets were added. Two sweets were picked at random and not replaced. The probability they were both blue was \(\frac{7}{26}\). How many green sweets were there to begin with ?
[ 3
]
Q5) There are 10 purple pencils ,and some yellow pencils in a draw. Two pencils were picked at random from the draw and not replaced. The probability they are both the different is \(\frac{10}{19}\). How many yellow pencils were there ?
[ 10
]