December Test 2018

Class 7th                                          Subject:   Math

Total marks:100                                            Time: 02:30 hrs                                                  

Question 1:If X= {1,2,3,…10}, Y={2,4,6,8,12} and Z={2,3,5,7,11} then find:

(i) XU (YUZ)                         (ii) X∩(Y∩Z)

Question 2:prove that

Question 3:Evauluate the following expression

Question 4: Find the square root

Question 5: A nursery owner tries to arrange 89500 plant into the shape of solid square. but he finds that he has 99 plants left over. find how many did the owner arrange in a row. (Hint = 89500-99)=?

Question 6:A train leaves lahore at 4:00 p.m and reaches karachi at 10:00am next day. The speed of train was 70km/hour find the distance between lahore and karachi?

Question 7: A worker is paid Rs.2130 for 6 days. if his total wage during a month is Rs.9230, find the number of days he in the month.

Question 8: (a) Property tax Rs. 18720 was paid when the worth of property is Rs. 1,560,00. find the percentage of property tax?

part (b):Find missing property by using the formula

Markup	Principle	Time period	Markup rate
	Rs. 500	2 years	12%

Question 9:convert the  decimal into rational number     (i) 6.46        (ii) 15.25

Question 10: find square root            (i)  (by prime factorization)     

(ii) by division method 1082.41

Class: 6^th                                                       Subject: Computer Science                                      Total marks:75

 

Tick the right choice:                                                                         Marks (5)

1. Hard disk is a ____________device.

(a) Temporary                            (b) permanent

(c) primary                                   (d) portable

1. Monitor is an ______________device.

(a) input                           (b) storage                        (c) output

2. A___________ is named by a letter follow by (:)

(a) file                              (b) folder                          (c) drive                    (d)window

      4. paint is a ________________software.

(a) Graphic                   (b) Typing                  (c) word processing           (d)mathmetical

      5.______________ tool is use to zoom in the drawing.

(a) line                           (b)magnifier                       (c) brush                      (d)curve

 

 

 

Define the following:                                                                         Marks (3×5=15)

           (i)     Computer              (ii) hard disk                  (iii) Desktop    

(iv) Taskbar            (i) World Wide Web

 

 

Differentiate between the following:                                               Marks (5×5=25)

(i)  Data and information

(ii) Hardware and software

(iii) File and folder

(iv)  Delete key and backspace key

(V) cut text and copy text

 

 

Long question:                                                                                    Marks (10×3=30)

1. What is a drive?
2. What are icons? Write names of desktop icon?
3. Explain Text alignment and its different types?