If the sum of all T's digits is 21 then the smallest
possible value of T is ?
Integers from 1 to 20 inclusive are written on the board.Any 2 numbers on the board are erased and then the sum of the two erased number are written on the board.This process is repeated exactly 18 times.Now there are just 2 numbers left on the board,so that one is 6 times the other.Find the smallest number of the two.Dịch cho mik với nha!
donald trump has 10 grandchildrens all of difference ages. Anna is the eldest. The sum of ages of all grandchildrens is 190. At least how old is Anna?
A.24 B.20 C.25 D.19
Cứu mình vớii
the average of five consecutive even numbers is 40 the average of the smallest and largest of these numbers is
36; 42; 40; 38
the sum of two odd numbers is 112 . Find those numbers if there are 6 odd numbers between them.
Drying is the oldest type of food preservation. If water is (1) ________ from food, the bacteria can't grow. In (2) ________ times in hot countries, people simply left fruit and meat outside to dry in the sun and the wind until all its natural water was gone. This make the fruit last a very long time. Drying fruit sometimes results in a completely new (3) ________ . For example, grapes turn into raisins and plums turn into prunes. Drying food in the sun does not work in cooler or wetter climates, but people have other (4) ________ to preserve feed in cold places. 2. Salting: Salting food, especially meat and fish, is another very old way to preserve food. Bacteria cannot grow in a very salty environment, so salted food lasts a long time. In many countries, salt fish or meat has become a (5) ________ food and people still eat it today. For example, in Portugal the national dish is salt cod fish, and although people could buy fresh fish and (6) ________ it, they prefer to eat the preserved fish.
1. The Sydney Opera House is considered as the symbol of __________.
1 điểm
A. Asia
B. America
C. Australia
D. Europe
2. Vietnam is located in Southeast __________.
1 điểm
A. America
B. Asia
C. Australia
B. Europe
3. The smallest __________ in the world is Australia
1 điểm
A. continent
B. country
C. ocean
D. city
4. Some developed nations namely Britain, France and Germany are located in _______.
1 điểm
A. America
B. Asia
C. Australia
D. Europe
5. Penguins often live in __________because they are especially adapted to the coldweather.
1 điểm
A. Asia
B. Europe
C. America
D. Antarctica
6. Have you ever seen Big Ben? It is the most visited __________in Britain.
1 điểm
A. city
B. country
C. landmark
D. continent
7. If you want to understand the lesson well, ________ carefully to the teacher!
1 điểm
A. listen
B. listening
C. to listen
D. listened
8. I often _____ fishing with my father at the weekend.
1 điểm
A. do
B. go
C. play
D. swim
9. This is _____ restaurant I have ever been to.
1 điểm
A. comfortable
B. the most comfortable
C. more comfortable
D. most comfortable
10. My mother ___________ to her friend's house yesterday morning.
1 điểm
A. comes
B. come
C. came
D. will come
11. We .................... to Dalat last vacation.
1 điểm
A. go
B. going
C. had gone
D. went
12. Fish and chips are among _____ dishes in Britain.
1 điểm
A. more popular
B. less popular
C. most popular
D. the most popular
13. She is the ________ in this group.
1 điểm
A. more beautiful
B. most beautiful
C. beautifulest
D. beautiful
14. This is one of ___________ episodes in this series.
1 điểm
A. more fantastic
B. the more fantastic
C. the most fantastic
D. most fantastic
15. I __________ my homework 2 hours ago.
1 điểm
A. finishing
B. finished
C. will finish
D. finish
16. I ........................ what teacher ........................ in the last lesson.
1 điểm
A. didn't understand/ said
B. didn't understood/ said
C. understand/ say
D. understood/ say
17. This is _________ shirt we have.
1 điểm
A. the bigger
B. biggest
C. the biggest
D. the most big
18. Today is ___________ in this month.
1 điểm
A. cold
B. coldest
C. the coldest
D. the colder
19. She is __________ singer I've ever known.
1 điểm
A. better
B. the better
C. best
D. the best
20. Was Lan at the movie theater last night? - Yes, she.................
1 điểm
A. is
B. was
C. did
D. will
21. This is _________ shirt we have.
1 điểm
A. biggest
B. the bigger
C. bigger
D. the biggest
22. Did you .................. to Nha Trang last summer?
1 điểm
A. went
B. go
C. going
D. gone
Choose the sentence (A, B, C or D) that is closest in meaning to the root sentence.
1. Hung is the best football player in his class.
1 điểm
A. Hung plays football the most frequently in his class.
B. No one in Hung's class plays football better than him.
C. Hung's classmates play football better than him.
D. Hung plays football as well as his classmates.
2. I think no city in the world is more romantic than Paris.
1 điểm
A. I think Paris is the most romantic city in the world.
B. I think Paris is the more romantic city in the world.
C. I think Paris is more romantic than some cites in the world
D. I think Paris is not as romantic as many cities in the world.
3. I’ve never tasted a more delicious cake than this one.
1 điểm
A. This cake is more delious than many cakes I tasted before.
B. This is the more delicious cake I’ve ever tasted.
C. I've tasted many delicous cakes before.
D. This is the most delicious cake I’ve ever tasted.
4. There is no better teacher in this school than Mr John.
1 điểm
A. Mr John is the goodest teacher in this school.
B. Mr John is the best teacher in this school.
C. Mr John is much better than other teachers in this school.
D. Mr John is very good at teaching.
5. There isn’t anybody as kind as your mother.
1 điểm
A. Your mother is more kind than anyone I've met before.
B. Your mother is very kind.
C. Your mother is kinder than anyone I've met before.
D. Your mother is kinder than many people.
Find the greatest 3 digit number such that the product of its digits is 432
how many numbers between 100 and 500 have the sum of their digits equal to 5