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NIELIT STQC 2021 Quiz-13

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Question 1

The LCM and HCF of two consecutive even numbers are 84 and 2, respectively. Find the sum of reciprocals of these two numbers.

Question 2

Amit is

% more efficient than Sumit. Amit works for D days and completed 40% of the work and left the work. Remaining work is completed by Sumit in (D + 21) days. In how many days, Amit and Sumit together can complete the work.

Question 3

A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is

Question 4

The ratio of males and females in a city is 7 : 8 and the percentage of children among males and females is 25% and 20% respectively. If the number of adult females in the city is 156800 what is the total population?

Question 5

An account A has amount Rs 500 and another account B has amount Rs 200. A transaction occurs between them and after the transaction, the amount in A becomes Rs 300 and the amount in B becomes Rs 400. Which property of transaction is proved in this scenario?

Question 6

In the checksum calculation at TCP, which of the following are used

Question 7

A cache uses 8-way set associative mapping. The number of blocks in the cache is 256, each of size 16 words. Main memory is 16 bit. What is the number of tag comparison required?

Question 8

A subnet has been assigned a subnet mask of 255.255.255.192 . What is the maximum number of hosts that can belong to this subnet?

Question 9

Calculate the current across the 20 ohm resistor.

Question 10

Which one of the following array elements represents a binary min-heap?

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GATE & PSU CS General

May 9GATE & PSU CS