Q1) There were two colour of pencils in a bag. There were 4 green pencils ,and 2 blue pencils. Two pencils were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{7}{15}\)
]
Q1) There were 4 yellow pencils ,and some purple pencils in a packet . Two pencils were picked at random and not replaced. The probability they were both yellow was \(\frac{2}{5}\). How many purple pencils were there ?
[ 2
]
Q1) There are 9 yellow sweets ,and some purple sweets in a packet. Two sweets were picked at random from the packet and not replaced. The probability they are both the different is \(\frac{18}{35}\). How many purple sweets were there ?
[ 6
]
Q2) There were two colour of beads in a tray. There were 9 yellow beads ,and 5 blue beads. Two beads were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{46}{91}\)
]
Q2) There were 6 yellow beads ,and some blue beads in a tin . Two beads were picked at random and not replaced. The probability they were both yellow was \(\frac{1}{7}\). How many blue beads were there ?
[ 9
]
Q2) There are 7 green beads ,and some red beads in a box. Two beads were picked at random from the box and not replaced. The probability they are both the different is \(\frac{35}{68}\). How many red beads were there ?
[ 10
]
Q3) There were 5 red pencils ,and 9 blue pencils in a bag . Two pencils were picked and not replaced. What was the probability they were both red ?
[ \(\frac{10}{91}\)
]
Q3) There were 4 green beads ,and some blue beads in a bag . Two beads were picked at random and not replaced. The probability they were both green was \(\frac{6}{91}\). How many blue beads were there ?
[ 10
]
Q3) There are 8 purple pens ,and some red pens in a tray. Two pens were picked at random from the tray and not replaced. The probability they are both the different is \(\frac{48}{91}\). How many red pens were there ?
[ 6
]
Q4) There were 7 yellow apples ,and 7 red apples in a tray . Two apples were picked and not replaced. What was the probability they were both yellow ?
[ \(\frac{3}{13}\)
]
Q4) There are 7 green apples ,and some yellow apples in a box . 3 extra yellow apples were added. Two apples were picked at random and not replaced. The probability they were both green was \(\frac{7}{57}\). How many yellow apples were there to begin with ?
[ 9
]
Q4) There are two colour of beads in a box. There are 2 more purple beads than blue . Two beads are picked at random and not replaced.The probability they are both the same is \(\frac{43}{91}\). The number of blue beads is less than 10. How many purple beads are there ?
[ 8 ]
Q5) There were two colour of beads in a box. There were 6 red beads ,and 6 blue beads. Two beads were picked and not replaced. What was the probability they were both the same colour ?
[ \(\frac{5}{11}\)
]
Q5) There were 9 purple pens ,and some blue pens in a draw . Two pens were picked at random and not replaced. The probability they were both purple was \(\frac{6}{11}\). How many blue pens were there ?
[ 3
]
Q5) There are 7 red 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 \(\frac{35}{66}\). How many blue beads were there ?
[ 5
]