Tom has 100 marbles,Mike has 100 marbles and Tony has 100 marbles.Find the marbles of Zen
a bag contains green marbles and red marble and red marbles only . If the ratio of the number of green marbles to the number of red marbles is 1:4 then............% of marbles are green
A bag contains green marbles and red marbles only. If the ratio of the number of green marbles to the number of red marbles is 1:4 then % of marbles are green.
Tom and Mike has 100 marbles.Tom has 12 marbles.Find the marbles of Tom
Question 5: A bag contains green marbles and red marbles only. If the ratio of the number of green marbles to the number of red marbles is 1:4 then ............% of marbles are green.
There are 5 blue , 8 green , 9 white and 2 black marbles in the box . At least how many marbles must Darrell draw before he gets the first green one.
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 )
Peter and Jacob were running. Both of them run with their constant speeds. They started at the same time and the same place. When Jacob reached the finishing line, Peter had only run 5/8 of what Jacob had run. Jacob’s speed is 75m/min (metre per minute) faster than Peter. What was Peter’s speed in m/min?
Class 5A has 8 more students than class 5B. The number of students of class 5A and class 5B are in the ratio of 9 : 7. How many students are there in class 5B?