please give me 10th class question paper of Math part 1
Answers
Answer:
okay
Explanation:
(Q 11- Q 15) Fill in the blanks
11. The total surface area of the given solid figure is _______________.
12. If one root of the equation (k – 1)x 2 – 10x + 3 = 0 is the reciprocal of the other, then the value of k is ___________cbse maths
OR
The graph of y = p(x), (where p(x) is a polynomial in variable x, is as follows:
The number of zeroes of p(x) is ______________.maths standard
13. The perimeters of two similar triangles ∆ABC and ∆PQR are 35cm and 45cm respectively, then the ratio of the areas of the two triangles is______________.
14. Fill the two blanks in the sequence 2, ____ , 26, ____ so that the sequence forms an A.P.
15. A number is chosen at random from the numbers -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5. Then the probability that square of this number is less than or equal to 1 is _____________.
(Q 16- Q 20) Answer the following
16. Write one rational and one irrational number lying between 0.25 and 0.32.
17. In the figure, if ∠ACB = ∠CDA, AC = 6 cm and AD = 3 cm, then find the length of AB.
18. If the angle between two tangents drawn from an external point ‘P’ to a circle of radius ‘r’ and centre O is 600, then find the length of OP. class 10 maths standard
OR
If the radii of two concentric circles are 4 cm and 5 cm, then find the length of each chord of one circle which is tangent to the other circle.
19. If the first three terms of an AP are b, c and 2b, then find the ratio of b and c.
20. Find the value(s) of k for which the quadratic equation x2 + 2√2kx + 18 = 0 has equal roots
.