MATH ADDA By Guru:JSUNIL": CBSE IX -X : Inter activities: assessments :Quizze...

MATH ADDA By Guru:JSUNIL": CBSE IX -X : Inter activities: assessments :Quizze...: Class 9   S.No. Chapters Tutorials Videos Practice Interactivities Assessments  1. Number System    1    2  1    2    3    4 5  ...
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JSUNIL TUTORIAL,SUNDAY MATHS TEST FOR CLASS 8 AND 9 QUESTION PAPERS

Class 9th Mathematics January test 2012 Time: 1 Hr. FM: 35

1. Two parallelograms are on equal bases and between the same parallels. The ratio of their areas is—

2. A cuboids having surface areas of 3 adjacent faces as a, b and c has the volume -----

3. Each edge of a cube is increased by 40%. The % increase in the surface area is----

4. In a class, there are x girls and y boys, a student is selected randomly, then probability of selecting boy is -------

5. The probability of an event is always ---------- to 1
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1. Fill in the blanks carrying 1 marks

1) If the edges of a cube are halved, then its volume become

2) For plotting a point on graph sheet, we need ______ and ______.

3) ---- is the co-ordinates of origin.

4) The point (0, 5) lie on--------- axis

5) The representation of statistical data by means of circle is known as ------- that is also called a----

6) A coin is tossed twice. --------- is the probability of getting both tails.

7) One card is drawn from a well shuffled deck of 52 cards. --- is the probability of getting a face card.

8) ------ is the maximum value of the probability for an event?

9) Two dice are thrown simultaneously. –- is the probability of getting an even number as the sum.

10) If base radius of a cylinder is doubled then the volume of new cylinder  ______ times the volume of given cylinder.
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CBSE Question Papers 2012 Sample paper Diagnostic Model Paper X-IX

2012 Sample paper and Diagnostic Model Paper X-IX

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10th_science_SA-II- Solved_ sample paper-1
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10TH MATHS BY JSUNILSample Paper X Mathematics CBSE SA 2 2012

MATH ADDA "10TH MATHS BY JSUNIL": Sample Paper X Mathematics CBSE SA 2 2012: SAMPLE PAPER X SUBJECT MATHEMATICS CBSE SA – 2 March 2012 SECTION-A 1. The circumference of two circles are in the ratio 2: 3 then the r...
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Class-ix mathematics formative Assignment

SECTION A (4 x 1M= 4M)

1. In the given figure fig. 9.1, ABCD is a parallelogram and AEB is a triangle. If Ar (ABCD) = 172.6cm²,

 then Ar ( ABE) =_________  (a) 86.3cm2 (b) 172.6cm2 (c) 345.2cm2 (d) cannot be determined.

2. In the given figure fig. 9.2, chord AB at a distance of 9cm from the center O of the given circle. If radius of the circle is 41cm, length of chord AB is:         

(a) 40cm (b) 80cm (c) 50cm (d) cannot be determined

3. In fig. 9.3 ABCD is a parallelogram, AP ^ DC and CQ ^ AD. If AB = 10cm, AD = 8cm and AP = 8cm then 

CQ = ----                                           

(a) 16cm (b) 10cm (c) 8 cm (d) none of these.

4. In fig. 9.4, If O is the center of the circle and AB = CD, then OL : OM = __ (a) 2:1 (b) 1:2 (c) 1:1 (d) none of these.

                                                                 

 SECTION B (3 x 2M = 6M)

5. in fig. 9.5, A and B are points on sides PQ and QR of parallelogram PQRS. Show that Ar (ARS) = Ar(PBS)                                                                                                                              

6. In fig. 9.6, AB and BC are two chords of a circle with centre O such that <ABO = <CBO.  Show that AB = BC

7. Construct the angle of measurement 22½ ° 

                                                                                

SECTION C (2 x 3M = 6M)      

                                                  

8. A line l parallel to side BC of ABC meets AB at X and AC at Y. Also lines parallel to AB through C and AC through B meets line l at E and F respectively. 

Then prove that Ar (ABF) = Ar (ACE).

9. In fig. 9.7, O is the centre of the circle. Determine ÐDAC, ÐACB, ÐADE.      

   

 SECTION D (1 x 4M = 4M)

10. Prove that the angle subtended by an arc at the centre is double the angle subtended by it at any point on the remaining part of the circle.                                                                                                      

                                           (OR),

In fig. 9.8, P is a point in the interior of a parallelogram ABCD. Show that 

1) Ar (APB) + Ar (PCD) = ½ Ar(ABCD)       

2) Ar(APD) + Ar(PBC) = Ar(APB) + Ar(PCD)

Class 9th (SA-II) MATHEMATICS Assignment-2011for FA-3

JSUNIL TUTORIAL,SAMASTIPUR

Class 9^th (SA-II)

^{MATHEMATICS Assignment-I (For month of November)}     

Q1.  Determine the point on the graph of the linear equation x+y=6, whose ordinate is twice its abscissa.

Q2.  How many solution(s) of the equation 3x+2=2x-3 are there on the

          i) Number Line            ii) Cartesian plane

Q3.  Draw the graph of the equation represented by the straight line which is parallel to the x-axis and 3 units above it.

Q4. Find the solutions of the linear equation x+2y=8, which represents a point on

           i) x axis                            ii) y-axis

Q5.  For what values of c, the linear equation 2x+cy=8 has equal values of x and y as its solution.

Q6. Give the geometrical interpretations of 5x+3=3x-7 as an equation

           i) in one variable              ii) In two variables

Q7. Draw the graph of the equation 3x+4y=6. At what points, the graph cut the x-axis and the y-axis.

Q8. At what point does the graph of equation 2x+3y=9 meet a line which is parallel to y -axis at a distance 4 units from the origin and on the right side of the y-axis.

Q9.  P is the mid point of side BC of parallelogram ABCD such that AP bisects angle A.

Prove that AD =2CD.

Q10. Prove that bisector of any two consecutive angles of parallelogram intersect at right angles.

Q11. E and F are respectively the midpoints of non parallel sides AD and BC of trapezium. Prove that EF is parallel to AB and EF=1/2(AB+CD).

Q12.  ABCD is a rectangle in which diagonal BD bisects angle B. Show that ABCD is a Square.

Q13.  Diagonals of Quadrilateral ABCD bisect each other. If angle A = 35 degree, determine angle B.

Q14. The bisectors of angle B and angle D of quadrilateral ABCD meet CD and AB, produced at point P and Q respectively. Prove that angle P+angle Q= ½(angle ABC+ angle ADC).

Q15. In parallelogram ABCD, AB=10cm, AD= 6cm. The bisector of angle A meets DC in A. AE and BC produced meet at F. Find the length of CF.

Q16. Evaluate: (5x+1) (x+3)-8= 5(x+1) (x+2).