There are some balls in a bag. The remainder is 1 when groups of 3 balls are removed. The remainder is 2 when groups of 5 or 7 balls are removed. What is the smallest possible number of balls in the bag?
The average of three numbers is 42. All three are whole positive number and are different from each other.
If the least number is 20, what could be the greatest possible number of the remaining two numbers?
1, always / homework / Ba / is / his / forgetting
2, contest / taking part in / They / the water-fetching / are
3, I / useful / think / are / computers
4, before / lights / Turn / going / off / the / out
Toán tiếng Anh: The average of three numbers is 42. All three are whole positive number and are different from each other.
If the least number is 20, what could be the greatest possible number of the remaining two numbers?
Answer: {}.
II/ Read the following passage and choose the best answer each of the questions.
Coca- Cola is enjoyed all over the world. 1.6 billion gallons are sold every year, in over one
hundred and sixty countries. The drink was invented by Dr John Pemberton in Atlanta, on 8 May
1886, but it was given the name Coca-Cola by his partner, Frank Robinson. In the first year, only nine
drinks a day were sold. The business was bought by a man called Asa Candler in 1888, and the first
factory was opened in Dallas, Texas, in 1895. Coca- Cola is still made there. Billions of bottles and
cans have been produced since 1895.
1. The one who invented Coca Cola was ..................
A. Dr John Pemberton B. Frank Robinson
C. Asa Candler D. Dallas
2. What does the word “it” in line 3 refer to?
A. the world B. gallon C. country D. the drink
3. The first Coca Cola company was opened...................
A. in 1886 B. in 1888 C. in 1895 D. since 1895
4. Nowadays, Coca Cola is sold ........................
A. all over the world B. in more than 160 countries
C. everywhere D. all are correct
5. Which of the following is not true?
A. Every year, 1.6 billion gallons of Coca Cola are sold.
B. Coca- Cola is still produced in Dallas.
C. Nowadays, people don’t want to buy Coca – Cola any more.
D. At first, people didn’t like Coca- Cola very much.
Let ABCD is a square . Two points E,F are chosen on respective sides BC, CD.. If EF= BE+FD. What is the EAF degree
Point B,DB,D and JJ are midpoints of the sides of right triangle ACGACG . Points K,E,IK,E,I are midpoints of the sides of triangle JDGJDG, etc. If the dividing and shading process is done 100 times (the first three are shown) and AC=CG=6AC=CG=6, then the total area of the shaded triangles is nearest
Bottle A contains 15% syrup. Bottle B cotains 40% syrup.When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first ?
Answer :..............ml