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NIELIT 2020 : Revision Quiz 41

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Question 1

A and B can complete a piece of work in 30 days. They both start working together and after 18 days, A got injured. Due to this A’s efficiency fall down by 60% and thus the work completed in 36 days. Calculate in how many days B alone can complete the work after A got injured.

Question 2

Let P: If Sahil bowls, Saurabh hits a century.

Q: If Raju bowls, Sahil gets out on first ball.

Now, if P is true and Q is false then which of the following can be true?

Question 3

What should come in place of question mark.
1.064, 1.125, 1.216, ?, 1.512

Question 4

Five years ago, mother's age was 3 times of son's age, five years hence age of mother will be 2 times of son's age. Find the present age of the son?

Question 5

A non pipeline system takes 50 ns to process a task. The same task can be processed in a six-segment pipeline with a clock cycle of 10 ns. Determine the speedup ratio of the pipeline for 100 tasks. What is the maximum speedup that can be achieved?

Question 6

Which memory is difficult to interface with processor?