In a school, there are four Primary 5 clases. There are 2 monitors in each class. For every fortnight's monitor meeting, only one monitor from each class is required to attend.
A,B,C,D attended the first meeting.
E,B,F,D attended the second meeting.
A,E,B and G attended the third meeting.
If H had not attended any of these meetings, state the two monitors in each class.
Câu hỏi 1:
The average of three numbers is 1988. The first number is 1984. The third number is 2 units more than the second number. Find the third number.
Câu hỏi 2:
The average of 5 consecutive odd numbers is 123. Find the greatest number.
Câu hỏi 3:
Which of the following fractions is equal to 2/3?
Câu hỏi 4:
The average of two numbers is 95. The first number is 2/3 of the second number. Find the first number
Câu hỏi 5:
Fill in the blank with the correct number: 6/100 kg = .... kg
Câu hỏi 6:
The sum of two fractions is 45/23 and the first fraction is one quarter of the second fraction. Find the first fraction.
Câu hỏi 7:
The sum of twonumbers is 463 and three are eighteen even numbers between these numbers. Find the greater number.
Câu hỏi 8:
Which of the following fractions is the greatest number?
Câu hỏi 9:
The average of two numbers is 95. The first number is 2/3 of the second number. Find these two numbers.
Câu hỏi 10:
The sum of the number of lions and monkeys in a zoo is 40 and lions are 1/3 the number of monkeys. How many monkeys are there in the zoo?
there are k student in a class, only one of whom is a junior. If 5 seniors are added to the class, how many students in the class will not be juniors? có lời giải đầy đủ nhé
Four boxes of chocolate candies are equivalent to eight hundred candies. The number of candies is the same for all boxes. How many candies are in each box?
Answer: There are ...... candies in each box.
There are 5 lamp posts along the street in front of Melissa' s house . The lamp posts are 5 m apart from each other . How far is the fourth lamp post from the first one ?
.There are 16 rows of seats in a school hall. There are 75 seats in the last row. If there is an increase of 3 seats, starfting from the first row,
a.How many seats are there in the first row?
b. How many seats are there in the school hall?
in a class A of 160 students, the ratio of boys to girls is 3 to 5.in the class B, the ratio of boys to girls is 3 to 2. when the to classes are combined, the ratio of boy to girls is 1 to 1. how many students are there in the class B
Consecutive counting numbers are grouped as follows: (1);(2,3) ;(4,5,6);(7,8,9,10);.....
there is one number in the first group, 2 numbers in the second group,3 numbers in the third group,.....
The sum of all numbers in the 100th group is.....
Question 1:
The value of expression: is ..................
Question 2
Which of following numbers is smaller than 55606149 and larger than 55604896?
a. 55695346b. 55614186c. 55605268d. 55601982Question 3
Anna bought 40 jellybeans. Which statement is incorrect?
a. She can divide the beans equally into five groups.b. She can divide the beans equally into groups of 2.c. She can divide the beans equally into groups of 4.d. She can divide the beans equally into three groups.Question 4
Bob chose a natural number and multiplied it by four. Which of following numbers could not be his answer?
a. 4846b. 3756c. 5924d. 1736Question 5
Suppose all counting numbers are arranged in columns as shown at the right. Under what letter will the number 2016 appear?
a. Fb. Cc. Ed. BQuestion 6
Given five numbers, the average of two numbers is 17 and the average of the other three numbers is 12. The average of all these number is.............
a. 5/2b. 29c. 14d. 29/2Question 7
In the following expression: 20 - 16 + 7 : 36 x 12, if "+" means "x"; "-" means "+"; ":" means "-" and "x" means ":" the its value is ..........
a. 82/3b. 124c. 19/3d. 129Question 8
Donald Trump has 19 grandchildrens, all of different ages. Anna is the eldest. The sum of ages of all grandchildren is 190. At least how old is Anna?
a. 24
b. 20c. 25d. 19Question 9
A square floor is tiled with congruent square tiles. The tiles on the two diagonals of the floor are black. The rest of the tiles are white. If there are 201 black tiles then the total number of white tiles is ............
a. 10000b. 9799c. 10203d. 9600
Question 10
Fill the missing number in the blank.
44444 = 40000 + 400 + ............. + 4
Question 1
The average of 4, 8, and 13 is 8. The value of is .............
Question 2
How many zero digits are there in ten million?
Answer: ...............
Question 3
The sum of two fractions and is a fraction with denominator of 12. Find its numerator.
Answer: ...................
Question 4
Three pumpkins are weighed in pairs in all possible ways. The weights of all these pairs are 8kg, 9kg and 11kg. How much does the lightest pumpkin weight?
Answer: .............. kg.
Question 5
It takes Jack 42 minutes to cut a long log of wood into seven pieces. How long will it take him to cut that log of wood into nine pieces?
Answer: .................. minutes.
Question 6
The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is ...............
Question 7
There are 3 children in a family, Jack, Mary and Peter. Mary can clean the house for 1 hour. Jack can do the same job for 2 hours and Peter needs 6 hours.
If they do the job together then they need ........ minutes.
Question 8
MNPQ is a square that is made up of two identical rectangles and two squares of area 9cm2 and 16cm2. The area of the square MNPQ is ............ cm2.
Question 9
The four - digit number 5BB1 is divide by 9.
The value of B is ..........
Question 10
Which of the following diagrams is different from the others?
a. Figure Bb. Figure Dc. Figure Cd. Figure DQuestion 1
In a restaurant, there are 17 tables, each with 3, 4 or 6 chairs. The tables with 3 or 4 chairs can accommodate 44 people. The restaurant can accommodate 74 people. How many tables are there with 3 chairs?
Answer: ........ tables.
Question 2
Bella thinks of two consecutive numbers in the range 1 to 6. She tells Alice one of the numbers and Jack the other. Alice and Jack have the following conversation:
Jack: I don't know your number.
Alice: I don't know your number, too.
Jack: Now I know!
The pair of numbers which Bella think of could be ..............
