Teachoo MCQ Test

Short Quiz

Chapter 2 Class 9 - Introduction to Linear Polynomials (Ganita Manjari | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 360
Question 1 of 5
Question 1 of 5
A rally starts with 120 members. Each hour, 9 members drop out of the group. How many members will remain after 3 hours?
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Question 2 of 5
Suppose a plant has a height of 1.75 feet and it grows by 0.5 feet each month. Find the height after 7 months.
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Question 3 of 5
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 5
An auto-rickshaw fare starts at ₹25 and remains the same for the initial 2 km. Then it increases by ₹15 per km. For how many km will the fare be ₹130?
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Question 5 of 5
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.
Select one option. Answers are shown after the test.