### ALGEBRA SAMPLE PAPER WITH SOLUTION AS PER NEW PAPER PATTERN

Q1. Attempt any five sub – questions:           

i. For the given sequence, find the next two terms. 1, 2, 4, 7, 11, ___, ____ (Ans)

ii. Write the given quadratic equation in the standard form. 3y2 = 10y + 7. (Ans)

iii. Find the value of the given determinant. (Ans)
 5 2 7 4

iv. A die is thrown. Find the sample space 'S' and n(S). (Ans)

v. Find tn of the A.P.: 3, 6, 9, .... (Ans)

vi. Write the extended class boundaries of 19 – 20 and 21 – 22 . (Ans)

## Q2. Attempt any four sub – questions: 

i. State whether the following sequence is an A.P. or not 13, 23, 33, 43, .... (Ans)

ii. Solve the given quadratic equation by factorization method. x2 -13 x – 30 = 0. (Ans)

iii. Find Dx  and Dy  of the given simultaneous equations. 3x – 2y = 3 and 2x + y = 16. (Ans)

iv. A die is thrown. Find the probability of obtaining a perfect square on its upper surface. (Ans.)

v. For a certain frequency distribution, the values of Median and Mode are 95.75 and 95.5 respectively, Find the value of Mean. (Ans.)

vi. State whether the given equation is a quadratic or not. y + 1/y = 3   (Ans.)

## Q3. Solve any three sub – questions:             

i. Solve the given quadratic equation by factorization method,  3x2 – x – 10 = 0.   (Ans.)

ii. If two coins are tossed simultaneously, then find the probability of the following events: (Ans.)

(a) at least one tail turns up.
(c) at the most one tail turns up.

iii. Find S10 if a = 6 and d = 3.  (Ans. )

iv. Complete the following table of cumulative frequency.
(Ans.)

 Class 20 – 25 25 – 30 30 – 35 35 – 40 Frequency 2 6 14 29 C.F. less than upper limit 2 ? ? ?

v. The following table shows the frequency distribution of the waiting time at an ATM centre. Draw a histogram to represent the data. (Ans.)

 Waiting time in seconds 0 – 30 30 – 60 60 – 90 90 – 120 120 – 150 150 – 180 No. of Customers 20 28 68 54 10 3

## Q4. Attempt any two sub – questions:  

i. Solve the given equation: a4 – 3a2  + 2 = 0. (Ans.)

ii. What is the probability of two – digit number formed from the digits 2, 3, 5, 7, 9 without repeating the digits of the events? (Ans)

(a) the number so formed is an odd number.
(b) the two – digit number so formed is a multiple of 5.

iii. Solve the simultaneous equations by using Cramer's rule.  4x = y – 5 and y = 2x + 1. (Ans)

## Q5. Attempt any two sub – questions. 

1. If the sum of 'p' terms of and A.P. is equal to the sum of 'q' terms, then show that the sum of 'p + q' terms is zero. (click answer)

2. Solve:  16 / (x+y) + 2/(x – y) = 1 and 8/(x+y) – 12/(x – y) = 7 (Ans)

3. Draw a pie diagram to represent the world population from the following data after finding the value of 'a '. (Ans)

 Country India China Russia U.S.A. others Total Percentage of world Population. 15 20 a a 25 100

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# 2019 Board Paper Solution

HSC ENGLISH SET A 2019 21st February, 2019

HSC ENGLISH SET B 2019 21st February, 2019

HSC ENGLISH SET C 2019 21st February, 2019

HSC ENGLISH SET D 2019 21st February, 2019

SECRETARIAL PRACTICE (S.P) 2019 25th February, 2019

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SSC ENGLISH STD 10 5TH MARCH, 2019.

HSC XII ACCOUNTS 2019 6th March, 2019

HSC XII BIOLOGY 2019 6TH March, 2019

HSC XII ECONOMICS 9Th March 2019

SSC Maths I March 2019 Solution 10th Standard11th, March, 2019

SSC MATHS II MARCH 2019 SOLUTION 10TH STD.13th March, 2019

SSC SCIENCE I MARCH 2019 SOLUTION 10TH STD. 15th March, 2019.

SSC SCIENCE II MARCH 2019 SOLUTION 10TH STD. 18th March, 2019.

SSC SOCIAL SCIENCE I MARCH 2019 SOLUTION20th March, 2019

SSC SOCIAL SCIENCE II MARCH 2019 SOLUTION, 22nd March, 2019

XII CBSE - BOARD - MARCH - 2019 ENGLISH - QP + SOLUTIONS, 2nd March, 2019

# HSCMaharashtraBoardPapers2020

(Std 12th English Medium)

HSC ECONOMICS MARCH 2020

HSC OCM MARCH 2020

HSC ACCOUNTS MARCH 2020

HSC S.P. MARCH 2020

HSC ENGLISH MARCH 2020

HSC HINDI MARCH 2020

HSC MARATHI MARCH 2020

HSC MATHS MARCH 2020

# SSCMaharashtraBoardPapers2020

(Std 10th English Medium)

English MARCH 2020

HindI MARCH 2020

Hindi (Composite) MARCH 2020

Marathi MARCH 2020

Mathematics (Paper 1) MARCH 2020

Mathematics (Paper 2) MARCH 2020

Sanskrit MARCH 2020

Sanskrit (Composite) MARCH 2020

Science (Paper 1) MARCH 2020

Science (Paper 2)

Geography Model Set 1 2020-2021

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