NIELIT STQC 2021 Quiz-36

In a class of 100 students 70 are boys and rest are girls. mean of boy’s marks is 75 and that of complete class is 72, What is the average of girl’s marks?

Alfred buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, his gain percent is:

If (21x – 25y) : (4x + 5y) = 5 : 4, then one of the value of  is.

Anu fixes the selling price of an article at 25% above its cost of production. If the cost of production goes up by 20%, which raises the selling price by 10%, then her percentage profit is (correct to one decimal place):

What is the median of the data if its mode is 15 and the mean is 30?

What is the assigned bandwidth of each of the channels in the AM broadcast band?

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?

What is recurrence for worst case of QuickSort and what is the time complexity in Worst case?

The voltage across the open circuit is?

In a compiler, the data structure responsible for the management of information about variables and their attributes is