11 is just after 10 and 9 is just before 10
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In an examination, 300 students appeared. Out of these students; 28 % got first division, 54 % got
second division and the remaining just passed. Assuming that no student failed; find the number of
students who just passed.
sson 1. Lan in the apartment number? Lan house is in an 8 storey house, each floor has 8 apartments. One day, the class asked Lan: What is your house in the apartment? Ask me some questions, I will answer all your questions, but just say yes or no. Through these questions you try to figure out how many in the apartment Huy said: I will ask, are you in the apartment number 1, number 2, ..., No. 63. So with most 63 questions you will know which apartment you. You say, I only need 14 questions, 7 s...
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sson 1. Lan in the apartment number? Lan house is in an 8 storey house, each floor has 8 apartments. One day, the class asked Lan: "What is your house in the apartment?" "Ask me some questions, I will answer all your questions, but just say" yes "or" no. "Through these questions you try to figure out how many in the apartment" Huy said: "I will ask, are you in the apartment number 1, number 2, ..., No. 63. So with most 63 questions you will know which apartment you. You say, "I only need 14 questions, 7 sentences enough to know what floor you are on and 7 you can know exactly what you are in the apartment." Dear children, I have to ask several times to know. How are you Lan in the apartment?
Lesson 2. Game together across the bridge. Four people need to cross a bridge. Because of the weak demand, each time we go not more than two people, and because it is dark, we have to take the light. Four people walk differently, crossing the bridge with corresponding time of 10 minutes, 5 minutes, 2 minutes and 1 minute. Since there is only one lamp, each passage must be carried back to the next person. When two people go together, cross the bridge with a slower time. The following example is a way to go: - 10 minutes to go with people 5 minutes to bridge, 10 minutes to take. - 5 minutes to take the lamp back, take 5 minutes. - 5 minutes to go with people 2 minutes through the bridge, It takes 5 minutes. - 2 minutes to take the lamp back, take 2 minutes. - 2 minutes with people 1 minute over the bridge, take 2 minutes. Total time is 10 + 5 + 5 + 2 + 2 = 24 minutes. Let's try to get away with a little less time as possible, and if less than 19 minutes is great
Lesson 3. Cashmere. Mallard buys 27 apples that are identical in size and volume. However, the salesman said that of the apples on the right is a slightly lighter weight. You use a table scales on both sides to find the apple that light. The minimum number of weighs required. Let's help you find that little apple. If they find that fruit after less than 5 weightings, then it is good.
the sum of two numbers is equal to 77 if the first number is mutiplied by 8 and the second number by 6, the two product is equal. the larger number of these numbers is ...
what is the product of 4,03 and 2,5
What is the product of 3.05 and 2.8?
What is the product of 4.03 and 2.5?
How fast is Anna going if she runs 8 miles in the park in only 2 hours?Answer: mile/hour.Question 2How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?Answer: miles. Question 3:Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?Answer: km. Question 4:How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? Answer: miles/hour. Question 5The area of a rectangle ABCD is . Given a r...
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How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer: mile/hour.
Question 2
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer: miles.
Question 3:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer: km.
Question 4:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes?
Answer: miles/hour.
Question 5
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC.
Answer:
Question 6:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer: km/h.
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes?
Answer: miles/hour.
What is the product of 4.03 and 2.5?