SIR BILAL COMBINE INN

BSEK will announce the Result of SSC Part I Science on Friday 22nd Nov 2013

This poem is for All students

Kaali kaali khaali raato se hone lagi
Hai dostiiii... ;-)

Khoya khoya in Kitabo me
Aata mujhe, kuch bhi nahi... :-/

Hr Problem hr Concept main kaise sehta hoon... :-ö

Hr pal har lamha main khud se ye kehta rehta hu.,.,.,

Tujhe bhula diya ooo... :-(
Tujhe bhula diyaaaaa... :-(

phr kyun tere syllabus ne mujhe Rula diya ooo...
Mujhe rula diyaaaaa... ;-(
"Hapy Exam Season"

ATTENTION! Complete preparation guaranteed results. Good News for all students, COMBINE INN coaching centre presents crash classes for 'XI-XII Science & Commerce'. so hurry up and call 03072442648 plz forward to otherz.

Such a nice gift for Pakistan on 23rd march

COMBINE I'NN
SIR BILAL
Class 10th Mathematics Guess Paper
Section A: (Multiple Choice Questions)

Q:1: Choose the correct answer for each from the given options:

1 - 53 2/52 3is equal to

a. 0
b. 5
c. 1
d. 16

2 - The value of tan 60o is

a. √3/2
b. 2/√3
c. √3
d. 1/√3

3 - If log 9=x then x=

a. 1/2
b. 2
c. 9
d 1/4

4 - If a set has 3 elements, then the number of elements of its possible sub

a. 2
b. 4
c. 6
d. 1

5 - The degree of polynomials x2+xy2+y is

a. 2
b. 4
c. 3
d. 1

6 - The solution set of √y-2 = 4 is

a. 18
b. ±4
c. -18
d. 14

7 - (49)1/2 x √121 is equal to

a. 22
b. 77
c. 33
d. 11

8 - (2√2 + √7) (2√2 - √7) is equal to

a. 7
b. 1
c. 4
d. 8

9 - The order p[air(-2, -4) lies in / on

a. 1st quadrant
b. 3rd quadrant
c. X - axis
d. Y - axis)

10 - €X/n is the formula of

a. Arithmatic Mean
b. Median
c. Mode
d. None Of them)

11 - In 12,13,4,4,5,7,9 the mode is

3
7
9
4

12 - If the determinate of a matrix is zero then the matrix is called

a. Square matrix
b. rectangular matrix
c. Singular matrix
d. Non-singular Matrix)

13 - Eliminate “X” from X+b=0, X+C=0, the relation is

a. b=c
b. b+c=0
c. bc=0
d. b/c+1=0

14 - The characteristic of log5.723 is equal to

a. 1
b. -1
c. 0
d. 2

15 - The measure of each angle of an equilateral triangle is

a. 600
b. 900
c. 450
d. 180)

16 - X4 + 64 can be made a perfect square by adding

a. X2
b. 8X2
c. 16,
d. 16X2

17 - The sets of all points of a plane which are equidistance from a fixed point is called a

a. Chord
b. radius
c. Centre
d. Circle

18 - The Cartesian product of set A and B is written as

a. AΛB
b. AxB
c. BxA
d. A,B

19 - The diameter contain atleast

a. one point
b. five points
c. three points
d. two points

20 - Two circle are congruent if their_______________are congruent

a. radius
b. chord
c. diameter
d. centre
Section "B"
(Short Answer Questions)

Note: Answer any ten questions. All questions carry equal marks.

Q2: Let μ= {1,2,3,4,5,6,7}, A ={ 1,3,5,7} and B={3,4,5,6} verify De Morgan’s Law?

Q3: Simplify [(125)2 X (8)/(64)2]1/3

Q4: Find the logarithm of 125 to base 5√5.

Q5:Apply Camer’s rule to solve the equation
2X + 5Y = 9
4X - 2Y = 1

Q6: If a side of a triangle is extended, the exterior angle so formed is, in measure, greater than wither of the two interior opposite angles.

Q7: Find the factor by mean of remainder theorem
X3 + X2 - 2

Q8: Find the square root of a4 +10a3 +31a2 +30a +9

Q9: If one pair of opposite sides of a quadrilateral are congruent and parallel, it is a parallelogram.

Q10: Eliminate “t” from
Y= 2 /5 t
X = 1 / 2t

Q11: Find the solution set of 15y – 31 -6 = 3.

Q12: The grades of a students in five examinations were 67,87,81,75,90. Find the arithmetic mean of grades.

Q13: Find the trigonometric rations of an angle of 600.

Q14: Find the value of X3 + Y3 when X+Y = -5, and XY =8.

Q15: If a perpendicular is drawn from the centre to a chord of a circle, it bisects the chord.

Q16: A kite has 120m of a string attached to it, when at an elevation of 600. how far it is above the hand holding it?
Section "C"
(Descriptive Answer Questions)
Note: Answer any three questions. Q18 is compulsory.

Q17: Factorize the following.

* 625 – 50a2b + a4b2
* a3 – a2 + 2
* 64X8 +Y8
* S2 – 16 +18t – t2

Q18:In a correspondence of two triangles, if three side of one triangle are congruent to the corresponding three side of the other, prove that the two triangles are congruent.

Q19: Find the solution set graphically (find four ordered pair)
X + y = 4
2X – 1 = 5Y

Q20: Find the variance of the following set of observations.
X = 11,13,25,15,12,18,17,23,20,16.
Q21: Draw a circle of radius 2.5cm. take a point B at a distance of 6.5cm from the centre of the circle and draw the two tangents to the circle passing through point B. find the length of the segment of a tangent by measuring them. Verify your statement with the help of Pythagoras theorem.
Guesspapers Karachi Board for Class IX, X, (9th, 10th) Exams Guess Papers 2010, 2011, Karachi, Pakistan

COMBINE I'NN
SIR BILAL
Class 10th Physics Guess Paper
Section "B" Short Answer Questions

1.
Write three contributions of Ibn-al-Haitham. Or Al Khwarzimi.?
2.
What is anomalous expansion of water? Write down its two effects in every day life.
3.
Define Torque. What is S.I unit and write down the factors or which the torque of a body depends.
4.
Write three merits of a transistor OR Radar.
5.
State Ohm's law,Joule's law and Snell's Law.
6.
Newton's corpuscular theory of light. Define Specturm and Photon.
7.
Describe three kinds of lever with one example of each.
8.
Define critical angle. Write two neccessary conditions for total internal Refelection of light.
9.
Write any three uses of Ulrasonic.
10.
Define three kinds of Error.
11.
Write any three points of difference between real Image and virtual Image.
12.
Write any three difference between "g" and "G".
13.
Draw the ray diagream of te image formed by a plance mirror and write down its two characteristics.
14.
Write thee points of differnce between "mass and wieght"
15.
State Hooke's law and derive the expression for Young's Modulus.
16.
Write any three uses of radio-isotopes in medicine.
17.
A bullet of mass 20g is fired towards weest at a velocity of 60m/s. Calculate the momentum of the bullet.
18.
A force of 100N acts at an angle of 30@ with th ehorizontal. Find its horizontal and vertical components. (Cos 30=0.866.Sub 30=0.5)
19.
A shell is fire veritically upward with a velocity of 98m/s. Find the time taken by it to reach the highest point.
20.
A motor cyclest is traverlling along a circular track of radius 30m at soeed if 5m/s.If the total mass of motor cycle and rider is 360kg. Find the friction between road and tyre.
21.
Find the work done when a force of 400N acts on an object at an angle of 60 with the ground to move it 10m along the gound (Cos60=0.5)
22.
The focal length of concave mirror is 10cm.Where dould an object be placed so as to get its real image magnified four times.
23.
Calculate the amount of current passing through an electric heater if it takes 1800C of a chage to heat a room in 3 minutes.
24.
How much heat energy will be released when 15g of mass is completely transformed to energy.?
25.
How much heat energy will be required to raise the tempreature of 100g of water from 10 C to 60 C? (Specific heat of water-4200J/kgC)
26.
How a galvanometer can be converted into Ammerter and Voltemeter.?
Section "C" Descriptive Answer Questions
27. Dervie the equation 2aS=V-V OR S=Vit + 1/2 at
28. Define momentum. State and explain law of conservation of momentum with the help an example.
29. Describe the working of an electric bell and draw its neat and labeled diagram.
30. Calculate the length of seconds pendulum (g=9.8m/s)
31. Two resistors of 4(ohm) and 8 (ohm) are connected in parallel to voltage source of 12 voltage source of 12 volts. Find the equivalent resistance and current trough each resistor.
32. Derive the formula M= gR2/G and calculate the mass of the earth.
33. Draw the ray diagram of a compound microscope and write down its working.
34. State Boyle’s law and Charle’s law and drive genera; gas equation PV = nRT.
35. Explain reaction in u . Draw its diagram and also write down its equation.
36. Define potential energy and kinetic energy and derive the equation K.E = ½ mv
37. Draw the circuit diagram of parallel and series combination of resistances and write two characteristics of any one of them.
38. Draw a neat and labeled diagram of a refrigerator and write down its working.
39. What is an inclined plane/ derive the formula for its mechanical advantage.

Guesspapers Karachi Board for Class IX, X, (9th, 10th) Exams Guess Papers 2010, 2011, Karachi, Pakistan