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Algebra Model set 3 by shaalaa.com 2024-2025 SSC (English Medium) 10th Standard Board Exam Question Paper Solution

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Algebra [Model set 3 by shaalaa.com]
Marks: 40 Maharashtra State Board
SSC (English Medium)
SSC (Marathi Semi-English)

Academic Year: 2024-2025
Date: March 2025
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General Instructions :

  1. All questions are compulsory.
  2. Use of a calculator is not allowed.
  3. The numbers to the right of the questions indicate full marks.
  4. In case of MCQs (Q. No. 1(A)) only the first attempt will be evaluated and will be given credit.
  5. For every MCQ, the correct alternative (A), (B), (C) or (D) with subquestion number is to be written as an answer.  

[8]1
[4]1.A | Four alternative answers are given for every subquestion. Choose the correct alternative and write its alphabet with subquestion number.
[1]1.A.i

Let E be an event and P(E) = `6/7`, then find the value of P(not E).

`1/7`

`6/7`

1

0

Concept: undefined - undefined
Chapter: [0.05] Probability
[1]1.A.ii

Which of the following sequence form an A.P.?

3, 6, 9, 15, ......

1, 8, 15, 22, 30, ....

2, 5, 9, 14, 20, ....

11, 22, 33, 44, 55, ....

Concept: undefined - undefined
Chapter: [0.03] Arithmetic Progression
[1]1.A.iii

28% GST was charged on the scooter having cost ₹ 50,000. Find the amount of CGST charged.

₹ 8,000

₹ 7,500

₹ 14,000

₹ 7,000

Concept: undefined - undefined
Chapter: [0.04] Financial Planning
[1]1.A.iv

If the terms 10, a, 40 are in A.P., then find the value of a.

35

20

25

30

Concept: undefined - undefined
Chapter: [0.03] Arithmetic Progression
[4]1.B | Solve the following subquestions :
[1]1.B.i

Evaluate: (1004)3

Concept: undefined - undefined
Chapter:
[1]1.B.ii

Show that (x + 1) is a factor of the polynomial `x^3 - x^2 - (2 + sqrt(2))x + sqrt(2)`.

Concept: undefined - undefined
Chapter: [0.02] Quadratic Equations
[1]1.B.iii

If `(5sqrt(2) + 3sqrt(3)) - (6sqrt(2) - 7sqrt(3)) = asqrt(2) + bsqrt(3)`, then find a and b.

Concept: undefined - undefined
Chapter: [0.02] Quadratic Equations
[1]1.B.iv

If the mean of 9, 8, 10, x, 14 is 11, find the value of x.

Concept: undefined - undefined
Chapter: [0.06] Statistics
[12]2
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[4]2.A | Complete the following activities and rewrite it (any two)
[2]2.A.i

The table given below shows the months of birth of 36 students of a class:

Month
of birth
Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
No. of
students
4 3 5 0 1 6 1 3 4 3 4 2

A student is choosen at random. Fill in the boxes.

Total number of students = `square`

Let E be the event that the selected student is born in June.

Then, 

Number of times event E occurs = `square`

So, P (selected student is born in June)

P(E) = `"Number of students born in June"/square`

= `square/square`

= `square`

Concept: undefined - undefined
Chapter: [0.05] Probability
[2]2.A.ii

Complete the following table.

  Face value The share is at Market value
(i) ₹ 100 discount of ₹ 15 ______
(ii) ₹ 25 ______ ₹ 360
Concept: undefined - undefined
Chapter: [0.04] Financial Planning
[2]2.A.iii

In the following frequency distribution, the heights of 90 students are recorded and the frequency polygon is drawn.

Heights 30 – 35 35 – 40 40 – 45 45 – 50 50 – 55 55 – 60
No. of Students 6 12 20 18 24 10

Concept: undefined - undefined
Chapter: [0.06] Statistics
[8]2.B | Solve the following subquestions (any four) :
[2]2.B.i

Write the two points of the equation 4x – 5y = 10.

Concept: undefined - undefined
Chapter:
[2]2.B.ii

Solve the following simultaneous equations using Cramer’s rule.

4m + 6n = 54; 3m + 2n = 28

Concept: undefined - undefined
Chapter:
[2]2.B.iii

Check whether 422 is in the sequence 10, 13, 16, 19, 22, ....

Concept: undefined - undefined
Chapter: [0.03] Arithmetic Progression
[2]2.B.iv

Find the value of determinant.

`|(5/2, 11/3),(3/8, 17/12)|`

Concept: undefined - undefined
Chapter: [0.01] Linear equations in two variables
[2]2.B.v

Find the roots of the quadratic equation `x^2 - (sqrt(3) + 1)x + sqrt(3)` = 0.

Concept: undefined - undefined
Chapter: [0.02] Quadratic Equations
[9]3
[3]3.A | Complete the following activity and rewrite it (any one)
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[3]3.A.i

If a, b, care in continued proportion, then show that `(a + b)^2/(ab) = (b + c)^2/(bc)`.

Since a, b, c are in continued proportion

∴ `a/b = square/square` = k(say)

⇒ b = `square`, a = `square` = `square`.k = `square`.k2

Now, L.H.S. = `(a + b)^2/(a.square) = (square + square)^2/(square*square)`

= `(squarek^2(k + 1)^2)/(square*square)`

= `(k + 1)^2/square`

R.H.S. = `(b + c)^2/(b.square) = (square + square)^2/(square*square) = (square (k + 1)^2)/(square*square)`

= `(k + 1)^2/square`

L.H.S. = `square`

Concept: undefined - undefined
Chapter: [0.02] Quadratic Equations
[3]3.A.ii

Determine whether (x – 3) is a factor of polynomial x3 – 19x + 30.

Let P(x) = x3 – 19x + 30

By remainder theorem, `square` will be a factor of P(x), if P(3) = 0

Now, P(3) = `square` – 19 `square` + 30

= `square  –  square` + 30

= `square  –  square`

= 0

∵ P(3) = 0

Hence, `square` is a factor of polynomial x3 – 19x + 30.

Concept: undefined - undefined
Chapter: [0.02] Quadratic Equations
[6]3.B | Solve the following subquestions (any two) :
[3]3.B.i

Sudesh choose a card from a well-shuffled deck of 52 cards. Calculate the probability of getting a queen

Concept: undefined - undefined
Chapter: [0.05] Probability

Sudesh choose a card from a well-shuffled deck of 52 cards. Calculate the probability of getting the nine of the spade

Concept: undefined - undefined
Chapter: [0.05] Probability

Sudesh choose a card from a well-shuffled deck of 52 cards. Calculate the probability of getting an ace

Concept: undefined - undefined
Chapter: [0.05] Probability
[3]3.B.ii

Himanshu invested ₹ 1,55,91,490 in the shares of FV ₹ 100 when MV is ₹ 1,550. Also, the rate of brokerage is 0.5% and GST is 18%. Then find how many shares were buy. Also find the amount of brokerage paid and GST paid for the trading.

Concept: undefined - undefined
Chapter: [0.04] Financial Planning
[3]3.B.iii

Find the middle term of the AP. 95, 86, 77, ........, – 247.

Concept: undefined - undefined
Chapter: [0.03] Arithmetic Progression
[3]3.B.iv

Using the digits 0, 2, 3, 5 the two-digit numbers are constructed without repetition of digits. Find the probability of the following events:

Condition for event A: The number formed is even.

Concept: undefined - undefined
Chapter: [0.05] Probability

Using the digits 0, 2, 3, 5 the two-digit numbers are constructed without repetition of digits. Find the probability of the following events:

Condition for event B: The number formed is prime number.

Concept: undefined - undefined
Chapter: [0.05] Probability
[8]4 | Solve the following subquestions (any two) :
[4]4.A

An electric company producing electric bulb, has packed 100 bulbs in each box. Some bulbs from 16 such boxes are tested defective. The information of number of defective bulbs in 16 boxes is given below.

No. of defective bulbs No. of boxes
0 – 2 3
2 – 4 4
4 – 6 5
6 – 8 3
8 – 10 1
  1. How many boxes contains maximum number of defective bulbs ?
  2. Find the mean of defective bulbs.
  3. The box is selected at random. What is the probability that it will contain average 2 to 4 defective bulbs?
  4. Find the probability of getting highest number of defective bulbs.
Concept: undefined - undefined
Chapter: [0.06] Statistics
[4]4.B

The ratio of two numbers is 3:2 and the difference of their square is 500. Find the numbers.

Concept: undefined - undefined
Chapter: [0.02] Quadratic Equations
[4]4.C

Sum of 1 to n natural number is 45, then find the value of n.

Concept: undefined - undefined
Chapter: [0.03] Arithmetic Progression
[3]5 |  Solve the following subquestions (any one) :
[3]5.A

Calculate the median of marks of students for the following distribution:

Marks Number of students
More than or equal to 0 100
More than or equal to 10 93
More than or equal to 20 88
More than or equal to 30 70
More than or equal to 40 59
More than or equal to 50 42
More than or equal to 60 34
More than or equal to 70 20
More than or equal to 80 11
More than or equal to 90 4
Concept: undefined - undefined
Chapter: [0.06] Statistics
[3]5.B

The following determinants are obtained from the simultaneous equations in variable x and y.

If Dx = `|(24, a),(16, -1)|`, Dy = `|(5, 24),(b, 16)|`, D = `|(5, 1),(3, -1)|` the solution for this equations are x = 5 and y = – 1. Find the value of' a' and 'b'. Also form the original simultaneous equations having this solution.

Concept: undefined - undefined
Chapter:

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