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KVS HYD SA-1

This is question paper of  KVS HYD SA-1


SUBJECT : MATHEMATICS                                    Max. Marks = 90
CLASS : X                                                           TIME:3 Hours

General Instructions:

  1. All the questions are compulsory.
  2. The question paper consists of 34 question divided into 4 sections.
  3. Question numbers 1 to 8 in section A are multiple choice questions where you are to select one option out of given four.
  4. Section A contains 8 multiple choice type question of 1 mark each.     
    Section B contains 6 questions of 2mark each,
    Section C contains 10 questions of 3 marks each,
    Section D contains 10 question of 4marks each.
  5. Use of calculators is not permitted.

SECTION - A

1) If HCF(a,b) = 12 and axb = 1800, then LCM(a,b) = 
    a) 3600                 b)900              c) 150                  d)90

2) The decimal expansion of the rational number 33/20 will terminate after
    a) one decimal place                   b) two decimal places
    c) three decimal places               d) more than three decimal places

3) Sides of two similar triangles are in the ratio 4:9, the areas of these two triangles are in the ratio
    a) 2:3                   b) 4:9               c)81:16                d) 16:81

4) tan10° tan75° tan15° tan80° =
    a) 0                       b) 3                 c) 1                      d) 2

5) The value of "x + y" if 148x + 231y = 527 and 231x + 148y = 610
    a) 3                       b) 180              c) 1                      d) 481

6) A quadratic polynomial with sum and product of its zeroes as 3 and 2 respectively is
    a) x² - 3x + 3     b) x² - 3x + 2      c) x² +5x + 6        d) x² - 6

7) 2cos²30 - 1 =
    a) sin60°            b) cos 60             c) tan60                d) sec60

8) If the mode of a data is 18 and the mean is 24, then the median is
    a) 18                  b) 24                   c) 22                    d) 21

SECTION -B

9) Check whether 4ⁿ can end with the digit zero for any natural number 'n'.

10) Find the zeroes of quadratic polynomial x² + 7x + 10 and verify the relationship between zeroes and coefficients.

11) For what value of k, will the following system of linear equation have unique solution.
3x + y = 1;     (2k - 1)x + (k - 1)y = 2k - 1.

Continuation of   KVS HYD SA-1  is in next page.


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