ALGEBRA QUESTION PAPER FOR PRACTICE

AS PER NEW SYLLABUS 
MARKS: 40 MARKS

Q1. Attempt any five of the following sub – questions:  (5)


i.             Find the next four terms of the sequences: 2, 5, 8, 11 (click  for answer)

 ii.           Write the quadratic equation 7 4x x2 = 0 in standard form ax2 + bx + c = 0. (click foranswer)


iii.         If 12x + 13y = 29 and 13x + 12 y = 21, find x + y. (click foranswer)


iv.         Two coins are tossed simultaneously. Write the sample space S and the number of sample points n(s). (click for answer)

v.           If one root of the quadratic equation x2 7x + k = 0   is 4, then find the valueof k. (click for answer)



vi.         Find tn of the A.P. : 3, 6 , 9, ....... (click for answer)

Q2. Attempt any four of the following sub – questions:  (8)

i.             Find the first four terms of the sequence, whose nth term is tn = n2 – 2n (Click for answer)
ii.           Solve x2 – 17 x + 60 = 0 by factorisation method. (Click for answer)
iii.         Find Dx and Dy of the given simultaneous equations. 3x – 2y = 3 and 2x + y = 16. (Click for answer)
iv.         Form two digit number using the digits 0, 1, 2, 3 without repeating the digits. Write sample space ‘S’, n(S), event P and n(P) where P is the event that the number so formed is divisible by 3. (Click for answer)
v.           A die is thrown, find the probability of the events
a.  Getting a number less than 3,     b. Getting a prime number. (click for answer )
vi.         State whether the given equation is quadratic or not: y + 1/y = 3. (Click  for answer)

Q3. Attempt any three of the following sub – questions. (9)

i.             How many three digit natural number are divisible by 4? (Click  for answer)
ii.           Determine the nature of the roots of the equation 2y2 + 5y – 3 = 0 from its discriminanats. (click for answer)
iii.         Solve the following simultaneous equations using graphical method.  x + 2 y = 5; y = -2 x – 2. (Click for answer)
iv.         Forty persons were examined for their Haemoglobin % in blood (in mg per 100 ml) and the results were grouped as below: Find Mode. (Click for answer)
Haemoglobin % (mg/100ml)
13.1 – 14
14.1 – 15
15.1 – 16
16.1 – 17
17.1 – 18
No. Of persons
8
12
10
6
4

Q4. Attempt any TWO of the folliwng sub – questions:  (8)

1.  The 11th term and 21st term of an A.P. are 16 and 29 respectively then find (Click for answer)
a.  The first term and the common difference
b.   The 34th term      c.   ‘n’ such that tn = 55.
2.  Solve: x4 – 3x2 + 2 = 0.   (Click for answer)
3.  Below is given frequency distribution of no. Of packages received at a post office per day.  Find mean. (Click for answer)
No. of Packages
10 – 20
20 – 30
30 – 40
40 – 50
50 – 60
60 – 70
No. of days
2
8
16
24
30
20

Q5. Attempt any TWO of the following sub questions.  (10)

i.     In winter the temperature at hill station from Monday to Friday is in A.P. The sum of the temperatures of Monday, Tuesday and Wednesday is zero and the sum of the temperature of Thursday and Friday is 15. Find the temperature of each of the five days. (Click for answer)
ii.  Two fair dice are thrown, find the probability of the following events
that the sum of the scores on their upper faces is  (Click for answer)
(a) less than four
(b) Multiple of 5
     (c) Perfect square
iiiSolve: (x2 + x) (x2 + x – 2 ) = 24 (Click for answer)





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