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E:\Working\Focus_Learning\Math_Genius-6\Open_Files\06_Unit_Test_2\Unit Test -2
\ 05-Nov-2024 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

Unit test – 2

A. Choose the correct option in Questions 1 to 10.

1. Using tally marks, which one of the following represents the number nine?
(a) |||| || (b) |||| ||| (c) |||| |||| (d) |||| ||||
2. The marks (out of 20) obtained by 20 students in a mathematics test are given below:

16, 19, 18, 14, 14, 12, 11, 15, 15, 16, 16, 17, 19, 14, 12, 13, 13, 17, 19, 20
The number of students who obtained marks more than or equal to 16 is
(a) 10 (b) 14 (c) 7 (d) 9

3. Which of the following is not a palindromic number?
(a) 828 (b) 727 (c) 121 (d) 984
4. The smallest 8-digit number using the digits 4, 9, 3, 2 and 1 is

(a) 11112349 (b) 11112439 (c) 11113249 (d) 11119243
5. The greatest 6-digit number is
(a) 100000 (b) 99999 (c) 999999 (d) 1000000

6. The graphical representation of a given data using rectangular bars of equal width and
varying heights is called
(a) pictograph (b) bar graph (c) tally marks (d) primary data
7. Weather reports for different cities telecast on television is an example of
(a) primary data (b) tally marks (c) pictograph (d) secondary data

8. The number whose digits add up to 15 is
(a) 2189 (b) 9125 (c) 6124 (d) 3462
9. 548 rounded off to the tens place is

(a) 500 (b) 550 (c) 540 (d) 600
10. Estimated product of 968 and 377 is
(a) 200000 (b) 300000 (c) 500000 (d) 400000

B. Fill in the blanks.
1. By adding 1 to the greatest ................ digit number, we get 1 crore.
2. The difference between the number 72984 and the number obtained by interchanging the
digits at the tens and hundreds place is .................

3. The number of times a particular observation occurs in a data is called the .................. of
that observation.
4. A pictograph is the .................... representation of data.
5. The data collected from the survey is called ................... data.
C. State whether the following statements are True (T) or False (F).

1. 629 is not a palindromic number.
2. 3726 rounded off to hundreds place is 3700.

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