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Maharashtra SSC Class 10 Algebra March 2019 question paper

Maximum marks 40 · Time 2 hours

Try each question first, then open its model answer. Where the paper offers a choice, both questions are shown with OR between them.

Q.1 (A)

1 mark each · attempt any 4

  1. Q.1 (A) (i)1 mark
    Find the median of : 66,98,54,92,87,63,7266, 98, 54, 92, 87, 63, 72.
  2. Q.1 (A) (ii)1 mark
    Multiply and write the answer in the simplest form: 57×275\sqrt{7} \times 2\sqrt{7}.
  3. Q.1 (A) (iii)1 mark
    If 3x+5y=93x + 5y = 9 and 5x+3y=75x + 3y = 7, then find the value of x+yx + y.
  4. Q.1 (A) (iv)1 mark
    Write the ratio of the second quantity to the first quantity in the reduced form: 55 dozen pens, 120120 pens.
  5. Q.1 (A) (v)1 mark
    Write the following polynomial in coefficient form: 2x3+x2−3x+42x^{3} + x^{2} - 3x + 4.
  6. Q.1 (A) (vi)1 mark
    For computation of income tax, which is the assessment year of the financial year 01-04-201601\text{-}04\text{-}2016 to 31-03-201731\text{-}03\text{-}2017?

Q.1 (B)

2 marks each · attempt any 2

  1. Q.1 (B) (i)2 marks
    Find the value of the polynomial 2x3+2x2x^{3} + 2x, when x=−1x = -1.
  2. Q.1 (B) (ii)2 marks
    If A={11,21,31,41}A = \{11, 21, 31, 41\}, B={12,22,31,32}B = \{12, 22, 31, 32\}, then find: (1) A∪BA \cup B (2) A∩BA \cap B.
  3. Q.1 (B) (iii)2 marks
    Sangeeta's monthly income is Rs. 25,00025{,}000. She spent 90%90\% of her income and donated 3%3\% for socially useful causes. How much money did she save?

Q.2 (A)

1 mark each

  1. Q.2 (A) (i)1 mark
    In the A.P. 2,−2,−6,−10,…2, -2, -6, -10, \ldots the common difference (d)(d) is:

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  2. Q.2 (A) (ii)1 mark
    For the quadratic equation x2+10x−7=0x^{2} + 10x - 7 = 0, the values of a,b,ca, b, c are:

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  3. Q.2 (A) (iii)1 mark
    The tax levied by the Central Government for trading within a state is:

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  4. Q.2 (A) (iv)1 mark
    If a die is rolled, what is the probability that the number appearing on the upper face is less than 22?

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Q.2 (B)

2 marks each · attempt any 2

  1. Q.2 (B) (i)2 marks
    The first term and common difference of an A.P. are 1212 and 44 respectively. If tn=96t_{n} = 96, find nn.
  2. Q.2 (B) (ii)2 marks
    If ∣45m3∣=22\begin{vmatrix} 4 & 5 \\ m & 3 \end{vmatrix} = 22, then find the value of mm.
  3. Q.2 (B) (iii)2 marks
    Solve the following quadratic equation: x2+8x+15=0x^{2} + 8x + 15 = 0.

Q.3 (A)

2 marks each · attempt any 2

  1. Q.3 (A) (i)2 marks
    Smita has invested Rs. 12,00012{,}000 to purchase shares of FV Rs. 1010 at a premium of Rs. 22. Find the number of shares she purchased.
  2. Q.3 (A) (ii)2 marks
    The following table shows the daily supply of electricity to different places in a town. To show the information by a pie diagram, find the measures of the central angles of the sectors.
    PlacesSupply of electricity (Thousand units)
    Roads4
    Factories12
    Shops6
    Houses8
    Total30
  3. Q.3 (A) (iii)2 marks
    Two coins are tossed simultaneously. Write the sample space SS and the expected outcomes of the events: Event A: to get at least one head; Event B: to get no head.

Q.3 (B)

2 marks each · attempt any 2

  1. Q.3 (B) (i)2 marks
    Find the 19th19^{th} term of the A.P. 7,13,19,25,…7, 13, 19, 25, \ldots
  2. Q.3 (B) (ii)2 marks
    Obtain a quadratic equation whose roots are −3-3 and −7-7.
  3. Q.3 (B) (iii)2 marks
    Two numbers differ by 33. The sum of the greater number and twice the smaller number is 1515. Find the smaller number.

Q.4

3 marks each · attempt any 3

  1. Q.4 (i)3 marks
    Amit saves a certain amount every month in a specific way. In the first month he saves Rs. 200200, in the second month Rs. 250250, in the third month Rs. 300300 and so on. How much will be his total savings in 1717 months?
  2. Q.4 (ii)3 marks
    A two-digit number is to be formed using the digits 0,1,2,30, 1, 2, 3. Repetition of the digits is allowed. Find the probability that a number so formed is a prime number.
  3. Q.4 (iii)3 marks
    Smt. Malhotra purchased solar panels for the taxable value of Rs. 85,00085{,}000. She sold them for Rs. 90,00090{,}000. The rate of GST is 5%5\%. Find the ITC of Smt. Malhotra. What is the amount of GST payable by her?
  4. Q.4 (iv)3 marks
    Solve the following simultaneous equations graphically: x+y=0x + y = 0; 2x−y=92x - y = 9.

Q.5

4 marks each · attempt any 1

  1. Q.5 (i)4 marks
    The following frequency distribution table shows the marks obtained by 180180 students in a Mathematics examination. Find the value of xx. Also draw a histogram representing the above information.
    MarksNumber of Students
    0 – 1025
    10 – 20xx
    20 – 3030
    30 – 402x2x
    40 – 5065
  2. Q.5 (ii)4 marks
    Two taps together can fill a tank completely in 31133\frac{1}{13} minutes. The smaller tap takes 33 minutes more than the bigger tap to fill the tank. How much time does each tap take to fill the tank completely?

Q.6

3 marks each · attempt any 1

  1. Q.6 (i)3 marks
    The co-ordinates of the point of intersection of the lines ax+by=9ax + by = 9 and bx+ay=5bx + ay = 5 is (3,−1)(3, -1). Find the values of aa and bb.
  2. The following frequency distribution table shows the distances travelled by some rickshaws in a day. Observe the table and answer the following questions.
    Class (Daily distance travelled in km)Continuous ClassesFrequency (Number of rickshaws)Cumulative Frequency (less than type)
    60-6459.5-64.51010
    65-6964.5-69.53444
    70-7469.5-74.558102
    75-7974.5-79.582184
    80-8479.5-84.510194
    85-8984.5-89.56200
    Q.6 (ii) (i)3 marks
    Which is the modal class? Why?
  3. Q.6 (ii) (ii)
    Which is the median class and why?
  4. Q.6 (ii) (iii)
    Write the cumulative frequency (C.F.) of the class preceding the median class.
  5. Q.6 (ii) (iv)
    What is the class interval (h)(h) to calculate the median?