Математика, информатика, механика

Математика, информатика, механика

1.The mean of the squared deviations of x1, (i=1,2………,n) observations from their arithmetic mean is called…………..

2.In rational fraction N(x)/D(x), D(x)= 0, the degree of N (x) is less than the degree of D(x) is called:

3.Mean is affected by change in……..?

4.The third proportional of x and y is:

5.If length and width of rectangle are x and y respectively then which of the following shows perimeter?

6.Partial fractions of x2 +1/(x+1)(x-1) are of the form:

7.Formula to determine the size of a class is:

8.The measure which determines the middle most observation in a data set is called?

9.The solution set of 5x²=30x is:

10.The solution set of equation 4x²-16=0 is:

11.Number of way to solve quadratic equation are:

12.In 3x²+4x=5 the co-efficient of x² is:

13.If b=0 in a quadratic equation ax² +bx +c=0, then it is called:

14.The number of real roots of the equations |x|²-5|x|+6=0, is:

15.If x2-x+1=3, then the value of 1 +x-x² is equal to:

16.2x+3= 4 is called:

17.The discriminant of ax²+bx + c= 0 is:

18.30% of 30=

19.159% of 60=

20.1/4=

21.0.05=

22.If 100% of a number is 15, what is 50% of the number?

23.If 10% of a number is 7, what is 80% of the number?

24.Which is the greatest?

25.The original price of a toy was $ 15. If the price is reduced by 20%, what is the new price of the toy?

26.George bought a car at $ 5000 and sold it at $ 5500. What benefit , in percent, did he make?

27.If 20% of N is equal to 40, what is N?

28.The price of a T-shirt was $ 20. It was first increased by 20%. They did not sell well the shop owner decreased the price by 20%. What is the new price of the T-shirt?

29.What percent of 1 hour is 15 minutes?

30.Solve the following inequality?

31.Solve 2(n+5) = -2

32.What are the roots of the polynomial (x+4)(x-7)=0?

33.Simplify 4x³ ∙ x³

34.A function which has a constant difference per interval is?

35.Which of the following is not a method for solving systems of liner equations?

36.Solve -9x – 13 = - 103

37.Which of the following statements follows from the assumption that John has exactly three cars?

38.An angle that measures 90 degrees?

39.Find the diameter of a circle with a perimeter of 25?

40.Name all the sets to which the following number belongs. _

41.What is the part of a line that is bounded by two points?

42.A set of symbols that summarizes a mathematical relationship between quantities is called?

43.Lines in the same plane that do not intersect?

44.To divide a figure into two congruent parts?

45.Natural numbers are also called …………… numbers?

46.What is the radius of a circle with a circumference of 30.4 feet?

47.Of the choices below, which represents the largest prefix in the SI system?

48.Solve the equation c – 8 = 11

49.What is the distance around a circular with a radius of 67 feet?

50.5x>85?

51.What is the capital of Scotland?

52.Which country was called “the Jewel in the Crown”?

53. Which language influenced English greatly?

54.Trafalgar is __________ ?

55. England consists of ________ ?

56. Which river is the longest in Britain?

57.Which is Scotland’s biggest city?

58.What is the name of the most famous clock in Britain?

59.Wimbledon is associated with __________ ?

60.Madame Tussaud’s is __________ in London.

61.Guy Fawkes is __________ ?

62.Englishmen eat their dinner at __________ ?

63. __________ is considered “the father of the English poetry”.

64.Joan Rowling wrote __________ books about Harry Potter.

65.What new product was brought to Europe from America in the 17th century?

66.The motto of the USA is __________ ?

67.Which president was the first in the White House?

68. Which of the following presidents was the youngest in the USA?

69. The American parliament is called __________ ?

70. The best-known American song is __________ ?

71.The national symbol of the USA is __________ ?

72. The largest religious group in the USA is __________ ?

73. __________ is the second most common language in the USA.

74.The biggest river in the USA is __________ ?

75. __________ is considered to be the American national sport.

76.The Statue of Liberty was made in __________ ?

77.The oldest American college is __________ ?

78. A sophomore is __________ ?

79. Colorado is __________ ?

80.The Disney World is located in __________ ?

81.The NATO was founded in __________ ?

82.Thanksgiving Day is celebrated in __________ ?

83.The first man on the Moon was __________ ?

84.The second largest city in the USA is __________ ?

85.The highest peak in the USA is in __________ ?

86.The author of “An American Tragedy” is __________ ?

87.__________ is the director and producer of the film “Titanic”.

88. The official languages of Canada are __________ ?

89. On the official flag of Canada, we can see __________ ?

90. By total area, Canada is the __________ largest country in the world.

91. The largest national park in Canada and in the world is __________ ?

92.The main national holiday in Canada is __________ ?

93.The capital of Australia is __________ ?

94.Which is the only country which shares the ‘doubly landlocked’ status of Uzbekistan?

95.Describe the climate of Uzbekistan?

96.Which is the only sea to border Uzbekistan?

97.When did Uzbekistan declare independence from the Soviet Union?

98.Uzbekistan shares the Kyzyl Kum with Kazakhstan ( and partly ) Turkmenistan, what is it?

99.Who was declared the first President of Uzbekistan in 1991?

100. What is the name of the longest river in Uzbekistan?

101.I like to relax _____ I’m on holiday.

102._____ you are the first person up in the morning, make me a cup of

coffee.

103.I’m going to keep asking you to marry me _____ you say “Yes”.

104.We can go _____ you’re ready.

105._____ I’m having my hair cut, you can do the shopping.

106.Stop at a petrol station _____ we run out of the petrol.

107._____ you’ve read the newspaper, can I have it?

108.I am so worried about James, _____ you hear any news, phone me.
109._____ we discover life on another planet, will it be intelligent?
110.I’ll have a bath _____ I go to work.

111._____ the lesson ends, I’ll go home.

112.I’ll study English _____ I speak it perfectly.

113.She _____ traveled to most parts of the world.

114._____ you ever _____(be) in a car accident?

115.She _____(go) to Russia two years ago.

116. I _____(be) in a crash when I _____(be) 10.

117. I _____(leave) last night.

118.“_____ you _____(be) to Russia.”
“Yes, I _____ .”

119.Have you _____ (do) your homework?

120. I haven’t done it _____ .

121. I have _____ done it.

122.She has _____(go) to Portugal.

123.She has _____(be) to Portugal.

124.She works _____ a big company.

125.‘Hamlet’ is a play _____ Shakespeare.

126.Brad and Marilyn are _____ honeymoon.

127.Wait _____ me.

128.____Monica _____ (win) many tournaments?

129._____ she go to America 10 years ago?

130.Have they _____ been to Australia?

131._____ they go to Australia last month?

132.Has she won the Wimbledon Tennis Tournament _____ ?

133.I’ve _____(see) the latest Star Wars film. I _____(see) it last week.

134.She’s _____(write) the letter. She _____(write) it yesterday.

135.A: _____ languages could they speak when they _____ teenagers?
B: Italian and Russian.

136.My little sister _____ (can) paint pictures alone when she _____ (be) nine, but she _____(can) it now.

137.Kim ____(can) ski 4 years ago, but he _____(can) ski very well now.

138._____ Ben and Jane married ten years ago?

139.Tim _____(can) run very well, but I _____ (can) run like him, because I was bad at running.

140.I _____ (can) play football well, but I _____ (can) play ice-hockey very well.

141.Last year they _____(be) in Europe, and visited Germany, _____ they
traveled only in Berlin.

142.I _____ born in Amsterdam _____ I live in New York now.

143.She _____ understand English, _____ she can’t speak it.

144.I love Netherlands, _____ I came to Amsterdam.

145.A: _____ you _____ the piano?
B: Yes, _____ .

146.A: _____ of food _____ our cook cook?

B: Italian & French food.

147.A: _____ can she _____ the guitar?

B: Very well.

148.A: _____ can they _____ a computer?

B: In the office.

149.A: _____ languages can her aunt _____ ?

B: 2 languages.

150.A: _____ languages can Mrs. Brown speak?

B: English & Irish.

151.A: _____ can you cook Italian food for us?

B: On Friday evening.

152.A: _____ can my students come?

B: At 3 in the afternoon.

153.A: _____ can Alison go skiing?

B: On her winter holiday.

154.A- _____ there _____ desk?

B- Yes, _____ is.

155.A- _____ there three stereos in the living room?

B- No, there _____ .
156. Is there _____ apple in the bag?

157.There _____ 4 _____ on the sofa?

158.There _____ one bag. There _____ 3 bags.

159.There _____ 3 telephones, but _____ isn’t a cooker.

160._____ any men in the hall?

161.A: _____ there many mice in the house?

B: No, there _____ .

162._____ there _____ chairs in the class?

163.Yes, there are _____ chairs, but there are not _____ desks.

164.A: _____ is there in the bedroom?

B: There _____ 2 beds, 3 televisions, and 2 cupboards.

165.A- _____ books _____ there under your desk?

B- There _____ one.

166.There are _____ sandwiches, but there _____ any chips.

167.A: Do you have any _____ ?

B: No, I don’t. But I have _____ grammar books.

168.There is _____ photo of _____ teachers.

169.How many _____ are there in the cupboard.

170.In our garden there is _____ huge pine tree, and there are _____
bushes.

171.Is there _____ garden?

172. I was late for work because I _____ the bus.

173. This is my grandfather’s watch. He _____ it every day until he died.

174. I _____ just _____ a good idea. Let’s eat out tonight.

175. My uncle _____ £500 on the stock exchange.

176. We _____ a complaint to the manager because our meal was so

bad.

177. Rolls Royce cars _____(make) in England.

178. They _____ (grow) rice in China.

179. The telephone _____(invent) by Bell in 1876.

180. Thieves _____(steal) two pictures from the museum last night.

181. They _____(sell) the picture for £3.000.

182. Three new factories _____(build) this year.

183. 10.000 cars _____ (produce) next year.

184. The television _____(invent) by Bell.

185. _____ they _____ (make) many cars last year?

186. Where _____ these shoes made?

187. I was given this watch _____ my aunt.

188. Someone _____ (steal) my bag!

189. A newsagent _____ (sell) stamps.

190. A British policeman _____ (carry) guns.

191. All the apple juice _____ (drink) by nine o’clock.

192. Have all the sandwiches _____(eat)?

193. _____ hello to your parents from me when you see them.

194. Don’t wait for me. I _____ (be)late. It depends on the traffic.

195. “What are you doing tonight?”

“I don’t know. I _____ (go) out, or I _____(stay) at home.”

196. We have guests coming for Saturday lunch. I _____ roast beef

and Yorkshire pudding. I have bought all the ingredients.

197. A- I’m going to buy George a green shirt.

B- I wouldn’t if I were you.

A- Why not?

B- I’m sure he _____(like) the green color.

198. “Goodbye, darling. I _____ phone as soon as I arrive.”

“Thanks. Bye!”

199. Catherine wants to be a politician. Who knows? One day she ____

Prime Minister!

200. _____ on your warm coat. It’s cold today.