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CBSE 10th Class Sample paper 8

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks each. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. What is the mean of first 12 prime number? 2. If the zeros of the quadratic polynomial x 2 + (a+1)x + b are 2 and -3 , then a) a=-7 ,b=-1 b) a=5 , b=-1 c) a=2 ,b=-6 d) a=0, b=-6 3. If the probability of an event is 'p' the probability of its complementary event will be a) p-1 b) p c ) 1-p d) 1-1/p 4. The decimal expansion of the rational number 237/(2 3 ✕5) will terminate after a) one decimal place b) two decimal place c) three decimal place d) more than three decimal place ...

CBSE 10th Class Sample paper 9

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks each. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. In a family of 3 children, the probability of having atleast one boy is a ) 7/8 b) 1/8 c) 5/8 d) 3/4 2. The mean of 20 numbers is 18. If 2 is added to each number , what is the new mean? 3. Find the area of quadrant of a circle whose circumference is 22 cm. 4. The number 525 and 3000 are divisible by 3 ,5 , 15, 25 and 75. What is the HCF of 525 and 3000? 5. What should be added to the polynomial x 2 -5x +4 ,so that 3 is the zero of the resulting polynomial: a) 1 b) 2 c) 4 d) 5. 6. ...

CBSE 10th Class Sample paper 10

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks each. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. The probability of a number selected at random from the numbers 1,2,3.......15 is a multiple of 4 is. A) 4/15 b) 2/15 c) 1/5 d) 1/3 2. what is the value of x, if the median of the following data is (27.5) 24, 25, 26 , x+2, x+3, 30 ,33 , 37. 3. Find the area of circle inscribed in a square of side a cm. 4. The area of two similar ∆ABC and ∆DEF are 225 cm 2 and 81 cm 2 respectively. If the longest side of the larger triangle ∆ABC be 30 cm , find the longest side of the smaller triangle ∆DE...

CBSE 10th Class Sample paper 7

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks cach. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. LCM of 14 and 122. 2. If one of zeros of quadratic polynomial x 2 + 3x + k is 2 , then the value of k is ....... A) 10 b) -10 c) 5 d) -5 3. The pair of equations x=a and y=b graphically represents lines which are : a) Parallel b) intersecting at ( b,a) c) coincident. d) intersecting at ( a,b) 4. For what value of K , do the equation 3x-y +8 =0 and 6x- Ky = -16 represent coincident lives? a) 1/2 b) -1/2 c) 2 d) -2 5. If k, 2k -1 and 2k+1 are in A.P. , then value of k is.... 6. ...

CBSE 10th Class Sample paper 6

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks cach. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. Which of the following can be the probability of an event? a) -0.04 b) 1.004 c) 18/23 d) 8/7 2. What is the mode of the observation 5, 7, 8, 5, 7, 6, 9, 5, 10, 6. 3. If the circumference of two circles are equal , then what is the ratio between their areas? 4. In the given figure, ABC is circumscribing a circle , then find the length of BC. 5. Write the statement of Pythagoras theorem. 6. If k, 2k-1 and 2k+1 are in A.P. then the value of k is ....... 7. If discriminant of 6x 2 - ...

CBSE 10th Class Sample paper 5

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks cach. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. After how many decimal places the decimal expansion of 54/150 will terminate. 2. Which of the following can't be the probability of an event? a) 0.7 b) 2/3 c) -1.5 d) 15% 3. What is the median of first 5 natural numbers? 4. In the given figure, find x , where ST is the tangent. 5. If sinθ = cosθ, find the value of θ. 6. Find the value of m in which the points (3,5) , (m,6) and (1/2, 15/2) are collinear. 7. If sides of two similar triangles are in the ratio of 8:10, then areas of t...

CBSE 10th Class Sample paper 4

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks cach. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. If n is Natural number then 9 2n -4 2n is always divisible by (a) 5 (b) 13 (c) 5 and 13 (d) none of these 2. If the mean of the following distribution is 2.6 , then the value of y is a) 3 b) 8 c) 13 d) 24 3. If the difference between the circumference and radius of a circle is 37 cm then the circumference (in cm) of the circle is a) 7 b) 14 c) 44 d) 154 4. If am≠bl, then the system of equations ax+ by= c and Ix+ my= n (a) has a unique solution (c) has infinitely many soluti...

Practice question on circle for iitjee , NDA and airforce | SAT | UPSC | IIT JEE | CBSE | SET 2 | 16-30

Circle Question no. 16 Under which of the following conditions does a general equation ax 2 + 2hxy + by 2 +2gx +2fy +c = 0 represents a circle? looks_one h=g , a=b looks_two h=g=f , a=b looks_3 h=0 , a=b looks_4 h=0 , g 2 + f 2 -c=a+b Answer Option looks_3 h=0 , a=b Solution Solution : Condition for circle 1) a = b 2) h = 0 Question no. 17 What is the equation to circle which touches both the axes and has centre on the line x+y-4=0 ? looks_one x 2 + y 2 +4x -4y +4 = 0 looks_two x 2 + y 2 +4x +4y +4 = 0 looks_3 x 2 + y 2 -4x -4y +4 = 0 looks_4 x 2 + y 2 -4x +4y +4 = 0 Answer option looks_3 x 2 + y 2 -4x -4y +4 = 0 solution Solution : x+ y = 4 If both the axes are touched by circle (x-2) 2 + (y-2) 2 = 4 x 2 + y 2 -4x -4y +4 = 0 Question no. 18 If the Circle x 2 + y 2 +2gx +2fy +c = 0 (c>0) touches the y-axis , then which one of the following is correct ? l...

CBSE 10th Class Sample paper 2

General Instruction 1. All the questions are compulsory 2. The question paper consists of 40 question and it is divided into four sections A,B , C and D. SECTION A Comprises of 20 questions carrying 1 mark each. Section B comprises of 6 questions carrying 2 marks each, Second C comprises of 8 questions carrying 3 marks cach. Section D comprises of 6 questions carrying 4 marks each. 3. There is no overall choice 4. Use of calculator is not permitted. Section A 1. Find the LCM of 96 and 360 by using Fundamental Theorem of Arithmetic. 2. A line segment is of length 5 cm. If the coordinates of its one end are (2,2) and that of the other end are (-1, x), then find the value of x. 3. In figure, PA and PB are two tangents drawn from an external point P to a circle with centre C and radius 4 cm. If PA is perpendicular to PB, then find the length of each tangents. 4. The first three terms of an A.P. respectively are 3y - 1, 3y +5 and 5y +1. Find the value of y....