# CBSE Class 10 Maths Revision Worksheet (All Chapters)

**Fill in the blanks with suitable words.**

**1**. HCF of any two primes numbers is always __________.

**2**. LCM of Smallest prime number and the smallest composite number is _______.

**3**. A _________ is a polynomial of degree 0.

**4**. We get the original polynomial if we multiply its ________ together.

**5**. If we draw x = a and y = b graphically then we get lines intersecting at _________.

**6**. If a pair of linear equations is consistent, then the lines will be __________.

**7**. If the equation is x² + x - 5 = 0, then product of its roots is _________.

**8**. If Discriminant i.e. D is positive, then the roots are _______ and _______.

**9**. The sum of AP 1 + 2 + 3 + ... + 10 is _________.

**10**. The nth term of the A.P. a, 3a, 5a, ... is ________.

**11**. If the co-ordinates of the points A, B, C and D are such that AB = BC = CD = DA and AC = BD, then quadrilateral ABCD is a _________.

**12**. The centroid of a triangle divides each median in the ratio ________.

**13**. ____________ theorem states that if'a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio.

**14**. ____________ theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides

**15**. Only _________ tangents can be drawn to a circle from an external point.

**16**. To divide a line segment in the ratio 4 : 3, it is divided into __________ parts.

**17**. Sum of ________ of sine and cosine of an angle is one.

**18**. cot θ is not defined for ∠ =

**19**. As the observer moves towards the object the angle of elevation __________.

**20**. If the height and length of the shadow of a man are the same, then the angle of elevation of the sun is ______.

**21**. __________ is the region between the arc and the two radii.

**22**. In a clock, the minute hand rotates through an angle of ________ in one minute.

**23**. From a point P, lying on the circle, ____________ tangent can be drawn to it

**24**. Tangent to a circle at a point is __________ to the radius through the point of contact.

**25**. Three cubes each of side 15 cm are joined end to end. The total surface area of the cuboid is ________

**26**. ________ is measured in cubic units.

**27**. ________ is the mid-value of class interval.

**28**. Mode of observations 4, 3, 1, 2, 3, 4, 4 is __________ .

**29**. The probability of an event that cannot happen is ________. Such an event is called ________

**30**. A single letter is selected at random from the word 'Probability'. What is the probability it is a vowel _________.

**Answers**:

1: 1

2: 4

3: constant

4: factors

5: (a,b)

6: intersecting or coincident

7: -5

8: real, unequal

9: 55

10: a(2n -1)

11. square

12. 2:1 or 1:2

13. Basic Proportionality or Thales

14. Pythagoras

15. two

16. 7

17. square

18. 0°

19. increases.

20. 45°

21. sector

22. 6°

23. one and only one

24. perpendicular

25. 3150 cm²

26. Volume

27. Class mark

28. 4

29. 0, impossible event

30. 4/11

**👉See Also:**

Maths Preboard Sample Question Paper (Set-3) 2020-21

Maths Revision Assignment -2 (1-Mark Questions)(with Answers)

Maths Revision Assignment-3 (MCQs Worksheet)

## No comments:

## Post a Comment

We love to hear your thoughts about this post!