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

07:03

07:09

03:07

09:07

2. 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

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

0

2

4

5

4. 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

5. 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

6. 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

7. বন্ধন শব্দের সঠিক অক্ষর বিন্যাস কোনটি?

ক) ব+ন্+ধ+ন্

খ) বন্+ধন্

গ) ব+ন্ধ+ন

ঘ) বান্+ধন্

8. বাংলা বর্ণমালায় অর্ধমাত্রার কয়ট?

ক) ৭টি

খ) ৯টি

গ) ১০টি

ঘ)৮টি

9. এক word কত বিট বিশিষ্ট হয়?

8

16

32

4

10. কোন ধরনের bus ব্যবহৃত হয় না?

address bus

input-reader bus

data bus

control bus