2541. One kilogram is equal to :

2.21 Ibs

2.00 Ibs

2.32 Ibs

1.98 Ibs

2542. An ore contains 26% of copper,to get 91kgs of copper the quantity of are required is

355kg

240kg

350kg

none of these

2543. How many minute will it take police car to travel a distance of d miles if it travels at m mile per hour ?

60/dm

d/m

dm/60

60 d/m

2544. How many minute will it take police car to travel a distance of d miles if it travels at m mile per hour ?

60/dm

d/m

dm/60

60 d/m

2545. A company increases every year salary of an officer by 20%.his salary in the year 2001 was tk 26,640.what was his salary in 1999 ?

tk 20,000

tk 19,028

tk 18,500

tk 18,840

2546. How much will it cost to fence in a field that is 12 feet long and 42 feet wide with fence that cost $ 10 a yeard ?

$180

$360

$504

$540

2547. A train passes city X at 9.55 am and city Y at 10.15 am.The distance between cities X and Y is 45 miles.What is the average speed,in miles per hour of the train ?

90

135

120

270

2548. A circular flower bed has diameter 4m.The flowers bed is increased so that the diameter is now 12m.How many times larger is the new flower bed ?

9

3

6

12

2549. If 3x = 2y and 6y = 7z what is the ratio of x to z ?

07:03

07:09

03:07

09:07

2550. A manufacturer finds that 0.4% of his production is defective and unsuitable for marketing.How many of 1000 untis produced will be rejected.

4

40

400

100

2551. If 3x + 2y = 8 and 2x -y = 3 find value of x .

0

2

4

5

2552. There boys have marbels in the ratio of 19:5:3 if the boy with the least number of marbles has 9 marbles,how many marles does the boy with the greatest number have ?

57

15

77

93

2553. Least year I bought 1000 shares of sunshine enterprises at taka 17.25 per share.Today the stock is quoted at taka 17.375.How much profit shall I make by selling all the shares today ?

100

125

175

250

2554. Six consecutive whole numbers are given the sum of the first three numbers is 27.what is the sum of the last three numbers ?

30

31

36

38

2555. বন্ধন শব্দের সঠিক অক্ষর বিন্যাস কোনটি?

ক) ব+ন্+ধ+ন্

খ) বন্+ধন্

গ) ব+ন্ধ+ন

ঘ) বান্+ধন্

2556. বাংলা বর্ণমালায় অর্ধমাত্রার কয়ট?

ক) ৭টি

খ) ৯টি

গ) ১০টি

ঘ)৮টি

2557. এক word কত বিট বিশিষ্ট হয়?

8

16

32

4

2558. কোনটি মাইক্রোসফটের প্রথম প্রোগ্রাম?

Windows XP

Windows 98

Windows 7

MS DOS

2559. কম্পিউটার নেটওয়ার্কে ও এস আই (OSI)মডেমের স্তর কয়টি?

7

8

5

5

2560. কোন প্রটোকলটি ইন্টারনেট সংযোগের ক্ষেত্রে সর্বাধিক ব্যবহৃত হয়?

TCP/IP

Novel netware

Net BEUI

Linux