Các câu hỏi tương tự
There are 3 grey socks, 3 blue socks and 3 yellow socks in a drawer. How many socks must Alan take out from the drawer in a dark room before there is a pair of socks of the same colour?
In the cabinets have 10 socks.Ask not to look at the cabinet,to take our at least how many socks to ensure a pair of socks of the same color?
Mau lên cái này mình cần gấp !
there are 27 blue,12 yellow and 42 black marbles in a box.Jack close his eyes and draw a marble from the box.at least how many marble must be put out ensure that there are six ball of the same colour
3. Students in a primary school are either wearing blue, black or yellow cap. At least how many students are there to ensure there are 26 students wearing the same colour of cap?
A bag contains indentical balls of different colours.There are 12 red, 10 white, 8 yellow, 3 blue and 2 black balls.Without looking into the bag,John takes out the balls one by one.What is the least number of balls that John must take out from the bag in order to have at least 4 balls of the same colour?
In a PE room, a basket contains some red, orange, yellow and green bean bags. How many students must the PE teacher send so that at least 2 students will draw 3 bags of the same colour combination? Each student is allowed to draw 3 bean bags
There are 27 blue, 16 yellow and 42 black marbles in a box. Jack closes his eyes and draws a marbles from the box. At least how many marbles must be put out ensure that there are six balls of the same colour? Answer: …( Có 27 màu xanh, 16 vàng và 42 viên bi màu đen trong một hộp. Jack nhắm mắt lại và rút ra một viên bi từ hộp. Ít nhất có bao nhiêu viên bi phải được đưa ra đảm bảo rằng có sáu quả bóng cùng màu? Câu trả lời: … )( Ai có câu trả lời đúng nhất và nhanh nhất tui sẽ tích cho ) ( Có các...
Đọc tiếp
There are 27 blue, 16 yellow and 42 black marbles in a box. Jack closes his eyes and draws a marbles from the box. At least how many marbles must be put out ensure that there are six balls of the same colour? Answer: …
( Có 27 màu xanh, 16 vàng và 42 viên bi màu đen trong một hộp. Jack nhắm mắt lại và rút ra một viên bi từ hộp. Ít nhất có bao nhiêu viên bi phải được đưa ra đảm bảo rằng có sáu quả bóng cùng màu? Câu trả lời: … )
( Ai có câu trả lời đúng nhất và nhanh nhất tui sẽ tích cho ) ( Có cách giải nha )
There are 35 men and some of women in a meeting room. The ratio of the number of women to the number of men is 7:5 . How many women are there in the meeting room ?
Mrs.Lunnah has a jar of beads. There are 30 red beads, 30 blue beads and 30 yellow beads. If a student sticks her hand in a jar and pulls out the beads, what is the probability that is will be blue?