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class IX C.Maths

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​SHINING STAR SECONDARY BOARDING SCHOOL<br />

Lakeside- 6, Pokhara<br />

First Terminal Examination- 2077<br />

Class: 9 F.M.= 50<br />

Sub: C. <strong>Maths</strong> Time: 1 hr 30 min P.M.= 20<br />

Group: A 1x10=10<br />

Choose the correct options:<br />

1. Can we write 0 in the form of<br />

p<br />

q<br />

?<br />

(a) yes (b) No (c) cannot be explained (d) none of these<br />

2. √9 is …….. number<br />

(a) rational (b) irrational (c) neither rational nor irrational (d) none of these<br />

3. A triangle in which two sides are equal is called<br />

(a) scalene (b) equilateral (c) isosceles (d) none of these<br />

4. The longest chord of the circle is<br />

(a) radius (b) arc (c) diameter (d) segment<br />

5. Two angles whose sum is equal to 180​ 0 ​ are called<br />

(a) vertically opposite angle (b) complementary angle (c) adjacent angle (d) supplementary angles<br />

6. The name of the horizontal line in the Cartesian plane which determine the position of a point is called<br />

(a) origin (b) x-axis (c) y-axis (d) quadrants<br />

7. The co-efficient of x​ 2 ​ in 3x​ 3 ​ +2x​ 2​ -x+1 is<br />

(a) 1 (b) 2(c) 3 (d) -1<br />

8. The sides lengths 4cm, 4cm and 4cm can be sides of<br />

(a) scalene (b) isosceles (c) equilateral (d) none of these<br />

9. The median of the data: 4, 6, 8, 9, 11 is<br />

(a) 6 (b) 8 (c) 9 (d) 11<br />

10. The line from the centre of the circle to any point on its circumference is called<br />

(a) radius (b) sector (c) diameter (d) arc<br />

Group: B 2x5=10<br />

11.(a) If M={ 2,6,9,11,13} and N={1,6,11,15,19,23}, then find the value of M ∩ N and N-M .<br />

(b) A pen which was bought for Rs. 100 was sold at Rs. 145. What will be the gain in percent?<br />

12. (a) A man gets a commission of 8% on the sales which amount to Rs. 12000. Find the commission<br />

amount.<br />

(b) The marked price of an article is Rs. 100 . If it is sold at Rs. 80 , find the discount rate .<br />

(c) If n(A) = 9, n(B) = 13 and n( AUB) = 17, then find the value of n(A ∩B) .<br />

Group: C 4X5=20<br />

13. The cost price of an article was Rs. 4000 . Find the marked price of the article so that there will be a<br />

profit of 20% after allowing a discount of 20% .<br />

14. If the cost price of 10 chairs is equal to the selling price of 16 chairs, find the loss and gain percentage.<br />

15. A broker receives Rs. 7500 as a commission on the total sales of Rs. 15000. Find the rate of commission.<br />

16. In a survey of 120 students, 60 drink milk, 50 drink curd and 20 students drink milk as well as curd then<br />

Draw a venn- diagram to illustrate the above information.<br />

Find the no. of students who drink neither of them.<br />

17. A man gets a commission of 2.5% on the sales which amount to Rs. 75000. How much will the<br />

businessman get from the sales ?<br />

Group: D 5X2=10<br />

18. A shopkeeper selling an article at a discount of 25% loses Rs. 125; if he allows 10% discount he gains Rs.<br />

250. Find the marked price and the cost price of the article .<br />

19. An agent sold some carpets at the rate of Rs. 4500 each and received Rs. 9000 as commission at 10% .<br />

Find the no. of carpets he sold .<br />

The End

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