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Short Quiz

Chapter 8 Class 11 Sequences and Series | 5 questions | about 4 minutes

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Question 1 of 5
Question 1 of 5

A ball is dropped from a height of \(16\) m. After each impact, it rebounds to \(\dfrac34\) of the previous height. What total distance has the ball travelled when it strikes the ground for the fourth time?

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Question 2 of 5

The arithmetic mean and geometric mean of two positive numbers are \(13\) and \(12\), respectively. The numbers are

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Question 3 of 5

Which of the following sequences is a geometric progression?

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Question 4 of 5

The sum \(81-27+9-3+1\) is

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Question 5 of 5

A tank contains \(2000\) litres of water. Due to leakage, \(10\%\) of the water present at the beginning of each hour is lost during that hour. The water remaining after \(5\) hours is

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