JESUS AND MARY SCHOOL & COLLEGE
HALF YEARLY EXAMINATION-2020
TIME: 2Hrs.
MATHEMATICS
M.M. 60
CLASS X
SECTION -A36 MARKS)
Httempt all questions from this section.
Questionl!
a) Rishi has a cumulative deposit account in Bank of Baroda. He deposits Rs. 200 per month for a
period of 3 years. If at the time of maturity he gets Rs. 8088. find the rate of (simple) interest.
b) Solve using quadratic formula. (x - 1)? – 3x + 4 = 0.
Write your answer correct to significant figures.
c) Using Remainder and Factor theorem, factorise the following polynomial
P + 10.x2 – 37 x + 26.
, XER
(+) sa
b) Find the value of x and y if [ 3;]61-6]
Question2.
a) Solve the following inequation, write the solution set and represent it on the number line:
5x+1
31-1
4
+ < 1
5 7
32
b) Find the value of x and y if
Ly 4yl
c) Without solving the following quadratic equation find the value of 'p' for which the given
equation has real and equal roots: x + (p - 3)r + p = 0.
Question 3.
*4+1
a) Using properties of proportion, solve for x, given
2
b) Find the two roots of x? x-1=0
c) A die has 6 faces marked by the given numbers as shown below:
17
2x2
8
3
1
2
3
-1
-3
The die is thrown once, what is the probability of getting
i) a positive integer
11) an integer greater than - 3
111)
the smallest integer
Question4.
a) A retailer buys an article at a discount if 15% on the printed price from a wholesaler. He marks
up the price by 10% on the printed price but due to competition in the market
, he allows a
discount of 5% on the marked up price to a buyer. If the rate of GST is 17% and the buyer pays
Rs. 468.16 for the article inclusive of tax (under GST). Find
i) the profit percentage of the retailer
11) the printed price of the article.
b) Find the sum of all two digit natural numbers which are divisible by 4.
c) Discuss the nature of the roots of quadratic equation 2/3 x2 - 5x + V3.
P.T.O.
This Question Paper contains two printed pages.
Answers
Answered by
3
Answer:
sorry but I am in eighth class
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