CBSE Set Q Maths Class X 2000 Sample Test Papers For Class 10th for students online
Maths Class X (CBSE)
You are on Set no 1 Qno. 1 to 20
Time allowed : 3 hours
Maximum Marks : 100
General Instructions :
(i) Question number 1 to 15 carry 2 marks each.
(ii) Question number 16 to 25 carry 4 marks each.
(iii) Question number 26 to 30 carry 6 marks each.
(iv) Write the serial number of the question before attempting it.
(v) Use of logarithmic and trignometric tables is permitted. Use of calculator
is not permitted.
Section  A
Q1) For what value of k will
the following system of linear equations have an infinite number of solutions :
2x + 3y = 2; (k + 2)x + (2k + 1)y = 2(k  1) ? (Marks 2)
Q2) Find whether the number
6, 10, 14 and 22 are in proportional or not. If not what number be added to each
number so that they become proportional ? (Marks 2)
Q3) Reduce the following
relation expression into lowest form:
(x^{4}  10x^{2} + 9)/(x^{3} + 4x^{2} + 3x)
(Marks 2)
Q4) Solve for x and y
ax + by = a  b  (i)
bx  ay = a + b  (ii) (Marks 2)
Q5) Find the value of k such
that sum of the roots of the quadratic equation
3x^{2} + (2k + 1)x  (k + 5) = 0 is equal to the product of its roots.
(Marks 2)
Q6) Find two consecutive
numbers, whose square have sum 85. (Marks 2)
Q7) Without using
trignometric table, show that:
tan 7^{o }. tan 23^{o} . tan 60^{o} . tan 67^{o}
. tan 83^{o} = 3
(Marks 2)
Q8) Show that (sin
 2sin^{3} )/(2cos^{3}
 cos )
= tan . (Marks 2)
Q9) In the given figure chord
PQ and RS of a circle intersect at T. If RS = 18 cm, ST = 6 cm and PT = 18 cm,
find the length of TQ. (Marks 2)
Q10) In the given figure DE
 BC and AD : DB = 5 : 4
Find ar(DFE)/ar(CFB).
(Marks 2)
Q11) In the figure BAC
= 30^{o}. Show that BC is equal to the radius of the circumcircle of ABC
whose centre is O. (Marks 2)
Q12) Rita purchased a car,
with a market price of Rs. 2,10,000 at a discount of 5%. If the sales tax
charged at 10%, find the amount Rita had to pay for purchasing the car. (Marks
2)
Q13) The mean weight of 21
students of a class is 52 kg. If the mean weight of first 11 students of the
class is 50 kg and that of last 11 students is 54 kg, find the weight of the
11th student. (Marks 2)
Q14) The following data has
been arranged in ascending order: 12, 14, 17, 21, x, 26, 28, 32, 36. If the
median of the data is 23, find x. If 32 is changed to 23, find the new median.
(Marks 2)
Q15) For what value of x, in
the mode of the following data 5 ?
2, 4, 3, 5, 4, 5, 6, 4, x, 7, 5. (Marks 2)
Section  B
Q16) Determine graphically
the coordinates of the vertices of the triangle, the equation of whose sides
are:
y = x, 3y = x, x + y = 8. (Marks 4)
Q17) A part of monthly hostel
charges in a college are fixed and the remaining depends on the number of days
one has taken food in the mess. When a student A takes food for 20 days, he has
to pay Rs. 1000 as hostel charges where as a student B, who takes food for 26
days, pays Rs. 1180 as hostel charges. Find the fixed charge and the cost of
food per day. (Marks 4)
Q18) Find the value of a and
b so that the polynomials p(x) and q(x) have (x + 1)(x  2) as their HCF.
p(x) = (x^{2} + 3x + 2)(x^{2} + x + a)
q(x) = (x^{2}  3x + 2)(x^{2}  3x + b) (Marks 4)
Q19) A page of pass book of
Ved is given below :
Date  Particulars  Amt.
withdrawn Rs. 
Amt.
deposited Rs. 
Balance 
8/3/98  B/F      4500 
12/3/98  To cheque  600    3900 
18/4/98  By cheque    1600  5500 
26/4/98  By cash    3500  9000 
12/8/98  By cash    500  9500 
16/10/98  To cheque  4500    5000 
12/11/98  By cheque    1650  6650 
3/12/98  By cash    1350  8000 
Find the interest Ved gets for the
period March, 98 to Dec.' 98 at 5% per annum simple interest. (Marks 4)
Q20) The annual income of
Seema (excluding HRA) is Rs. 1,60,000. She contributes Rs. 5000 per month to her
provident fund and pays a half yearly insurance premium of Rs. 5000. Calculate
the income tax along with surcharge Seema has to pay in the last month of the
year if her earlier deductions as income tax for the first 11 months were at the
rate of Rs. 400 per month. (Marks 4)
Assume the following for calculating income tax :
(a) Standard Deduction  1/3 of the total income
subject to a maximum of Rs. 20,000 (Rs. 25,000 if income is less than Rs. 1 lac) 
(b) Rates of
Income tax
Slab (i) Upto Rs. 50,000 
Income Tax Nil 
(c) Rebate in Tax  20% of the total savings subject to a maximum of Rs. 12,000 
(d) Surcharge  10% of the tax payable 
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