Question

1. Bisector of any angle divides it into ________equal parts.

1× 1.5 = 15 Marks


(a) two (b) three (c) one


2. The class – mark of the class 120 – 150 is -



(a) 135 (b) 120 (c) 130
(d) two thrid

3. Which of the following can’t be represented by graphically -



(a) histogram (b) bar graph (c) Frequency polygon
(d)

4. In the class intervals 10 -20 , 20 -30 , the number 20 is included in



(a) 10- 20 (b) 20- 30 (c) Both the intervals(d)none of them


5. With the help of a ruler and compass it is not possible to construct an angle of -


(a) 37.5 (b) 40 (c) 22.5 (d) 67.5


6. The semi perimeter of a triangle having the length of its side as 20 cm , 15 cm and 9 cm is -


(a) 44 cm (b) 21cm (c) 22 cm (d) None


7. The number of times a particular item occurs in a class interval is called its -


(a) mean (b) Cumulative frequency (c) frequency (d) None of these

8. Semi perimeter of a scalene triangle of side k , 2k , 3k is -.


(a) k (b) 2k (c) 3k (d) 4k


9. The statistical data are of two types . these two types are-


(a) Technical data and presentation data (b) Primary data and secondary data

(c) primary data and personal data (d) None of the these​

Answer 1

Answer:

1) a

2) a

4) b

6) c

8) b

Step-by-step explanation:

these are correct answer