# Class 10 Maths - Revision Worksheet

Q1: How many prime factors are there in prime factorisation of 5005 ?

(A) 2

(B) 4

(C) 6

(D) 7

Q2: Find the zeros of x(x - 3)

(A) 1,3

(B) 0, 2

(C) 0, 3

(D) 2, 1

Q3: The value of k for which the system : 4x + 2y = 3, (k – 1)x – 6y = 9 has no unique solution is :

(A) –13

(B) 9

(C) –11

(D) 13

Q4: The roots of the equation 3x² – 4x + 3 = 0 are

(A) real and unequal

(B) real and equal

(C) imaginary

(D) none of these

Q5: Riya saves Rs. 320 during the first year, Rs. 360 in the next year, Rs. 400 in the third year and so on. This way she will save a sum of Rs. 2000 in :

(A) 5 years.

(B) 10 years.

(C) 15 years.

(D) 20 years

Q6: ΔABC ~ ΔDEF such that AB = 9.1 cm and DE = 6.5 cm. If the perimeter of ΔDEF is 25 cm, then perimeter of ΔABC is :

(A) 28 cm

(B) 35 cm

(C) 42 cm

(D) 40 cm

Q7: The ratio in which the segment joining the points (5, 1) and (–7, –1) divided by x-axis is :

(A) 1 : 6

(B) 6 : 2

(C) 2 : 6

(D) 1 : 1

Q8: The value of (sin 30° cos 60° + cos 30° sin 60°) is :

(A) sin 90°

(B) cos 90°

(C) sin 0°

(D) cos 30°

Q9: The angle of elevation of the top of a tower from a point on the ground 30 m away from the foot of the tower is 30º. The height of the tower is

(A) 30 m

(B) 10√3 m

(C) 20 m

(D) 10√2 m

Q10: The number of tangents that can be drawn to a circle from a point inside the circle is /are :

(A) 1

(B) infinite

(C) 0

(D) 2

Q11: The angle between tangent at a point on a circle and the radius through the point is-

(A) 45°

(B) 60°

(C) 90°

(D) 120°

Q12: If the circumference of a circle is equal to the perimeter of a square, then the ratio of their areas is :

(A) 22 : 7

(B) 14 : 11

(C) 7 : 22

(D) 7 : 11

Q13: A solid consists of a circular cylinder with an exact fitting right circular cone placed at the top. The height of the cone is h. If the total volume of the solid is 3 times the volume of the cone, the height of the circular cylinder is :

(A) h/2

(B) h/3

(C) 2h/3

(D) 3h/2

Q14: If median = (mode + 2 mean) K, then K is equal to

(A) 3

(B) 1/3

(C) 2

(D) none of these

Q15: In a single throw of two dice, the probability of getting a sum of 10 is

(A) 1/36

(B) 1/18

(C) 1/12

(D) 1/6

1:  (B) 4

The prime factors are: 5 x 7 x 11 x 13

2: (C) 0, 3

3: (C) –11

4: (C) imaginary

Calculate Discriminant which is negative.

5: (A) 5 years.

6: (B) 35 cm

7: (D) 1 : 1

8: (A) sin 90°

9: (B) 10√3 m

10: (C) 0

11: (C) 90°

12: (B) 14 : 11

13: (C) 2H/3

14: (B) 1/3

15: (C) 1/12