Among the Primary 5 students who took part in the final examination, 38 of them scored distinction for Mathematics. 80 students scored distinction for English, 47 of them scored distinction for both subjects and 74 students did not get distinction for either subject. How big was the cohort of Primary 5 students ?
A survey was conducted on 100 students in beginning of the year. The findings are as follows:
56 students liked Mathematics
38 students liked English
52 students liked Science
6 students liked both Mathematics and English
4 students liked both English and Science
12 students liked all the three subjects
(a) How many students liked both Mathematics and Science?
(b) How many students liked only Mathematics?
There are fewer than 30 students in the mathematics class. One half of them play the piano, one quarter play hockey and one seventh are in the school play. How many of the students play hockey?
there were 550 students who participated in a quiz of 5 math problems, and 2011 problems were solved correctly in all. it is found out that every participant solved correctly at least 1 problem. it also know that 59 students got 1 problem correct, 69 students were able to answer all problem correctly while the number of students who 2 correct and 3 correct answer were the same. how many of the students got 4 correct answers
In semester I, the number of good students in class 6D was equal to 2/7 of the remaining students. Into semester II, the number of good students increased by 8 students ( the number of students of the class was unchanged), so the number of good students became 2/3 of the rest. How many good students of class 6D were there in semester I ?
Ai làm nhanh mà đúng, mình tích cho !
Read the text, and answer the questions
The Royal Ballet School, London
There are only 25 places for the new students every school year. Students are from 11 to 16 years old, and there are boys and girls. It''s a bording school.
On weekdays, there are four hours of lessons and two hours of ballets.In th evening, they watch TV at school. At the weekends, there are dance classes on Saturday mornings, and then they are free with their friends at school
1. How old are students ?
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2. Are there 25 students at the school ?
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3. Are they only boys at school ?
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4. How many hours of lessons are there on weekday ?
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5. How about hours of ballets ?
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6.Are there dance classes on Saturdays ?
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7. Are the students free on Sundy ?
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8. Are there at home in the evening ?
toan quoc te nha
Question 1:
There are two parallel lines in the figure. What is the value of x?
Answer: x =
Question 2:
ABC and RTS are similar triangles.
The value of x is
Question 3:
If x<0 and 5x+8+|3x|=0 then x=
Question 4:
I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?
Answer:
Question 5:
How many triples of integers (a,b,c) are there such that
?
Answer: triples.
Question 6:
Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. Twenty students have a dog and 24 students have a cat.
How many students have both a dog and a cat?
Answer: students.
Question 7:
The sum of 2 positive integer numbers is greater than their product if the smaller number is
Question 8:
How many different real numbers satisfy the following equation?
Answer:
Question 9:
The area of trapezoid ABCD is 180 .The altitude is 8 cm,AD is 10 cm,and BC is 17 cm.
What is AB,in centimeters?
Answer: cm.
Question 10:
There are 115 cars in a village of 26 families. Each family has either 4 or 5 cars.
How many families have 4 cars?
Answer: families.
A parent to class teachers asked that "his class how many students?" The teacher replied that "if in addition to all of my students have and then add one-half of my game and then add 1/4 of my game and finally added his son again, there are all 100 children. Question is how many of the students?
The teacher has 12 cards of number 1 to 12 and gives to 6 students
randomly.
Each student receives 2 cards, then tells students in the class the sum of 2
numbers on cards to examine whether or not the sum is a prime number.
Surprisingly, all of the 6 sums are prime numbers.
What is the sum of these 6 prime numbers from the 6 students?
giúp mình câu này với
find the maximum number of student's Ms Linh such that she can give them a total of 27 candies and the number Of candy her students recieve are consecutive positive inegers
