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10 Question MCQ (including Assertion)

Chapter 2 Class 9 - Introduction to Linear Polynomials (Ganita Manjari | 10 questions | about 8 minutes

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Question 1 of 10
Question 1 of 10
NCERT Exemplar
If \(p(x)=x+3\), then \(p(x)+p(-x)\) is equal to
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Question 2 of 10
A farmer cuts a 300 feet fence into two pieces of different sizes. The longer piece is four times as long as the shorter piece. How long is the shorter piece?
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Question 3 of 10
A telecom company charges a monthly fee and a cost per GB. 10 GB usage costs ₹350, and 20 GB costs ₹550. If the bill \(y\) depends on \(\mathrm{GB} x\) via \(y=a x+b\), what are the values of \(a\) and \(b\) ?
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Question 4 of 10
Assertion (A): The lines \(y=2 x+3\) and \(y=2 x-5\) are parallel to each other.
Reason (R): Lines with the same slope but different y -intercepts are parallel.
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Question 5 of 10
Identify the degree of the polynomial \(4 z-3\).
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Question 6 of 10
Assertion (A): The sequence \(2,5,8,11 . .\). represents a linear pattern.
Reason (R): All the terms present in this sequence are positive integers.
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Question 7 of 10
A chess club charges a joining fee of ₹200 plus ₹50 for every match played. If a player paid a total of ₹750, how many matches did he play?
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Question 8 of 10
A telecom company charges ₹600 for a certain recharge scheme. This prepaid balance is reduced by ₹15 each day after the recharge. After how many days will the balance run out (reach zero)?
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Question 9 of 10
The relationship between Celsius \(\left({ }^{\circ} C\right)\) and Fahrenheit \(\left({ }^{\circ} F\right)\) is \({ }^{\circ} C=a^{\circ} F+b\). Given that ice melts at \(0^{\circ} C\) and \(32^{\circ} \mathrm{F}\), and water boils at \(100^{\circ} \mathrm{C}\) and \(212^{\circ} \mathrm{F}\), what is the value of \(b\) ?
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Question 10 of 10
The present age of Salil's mother is three times Salil's present age. After 5 years, their ages will add up to 70 years. Find Salil's present age.
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