Question
Which of the following is an example of a concurrency
control mechanism used in transactions?Solution
Locking
The average cost price of articles 'P' and 'Q' together is Rs. 280, where the cost price of article 'Q' is Rs. 40 more than that ...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 40 and ratio of the 4th and the 5th number is 2:3. If difference between t...
In an election between two candidates, the winner secured a victory margin of 720 votes. If 20% of the total votes polled were de...
There are 40 elements in a data set and their average is 75. If every element is scaled by a factor of 12, compute the new average.
A company has 12 employees, including 8 engineers and 4 managers. The average salary of the engineers is E rupees, and the average salary of the manager...
The average number of mangoes distributed among five farmers is 12. If each farmer received 1 mango more than the farmer before him, then find the highe...
Virat Kohli's strike rate after facing 'b' balls is 120. In the subsequent 15 balls, he scores an additional 39 runs, leading to ...
Average of five consecutive numbers is 48. Find the sum of smallest and largest number.
There are βxβ students in a class. Out of them βyβ are girls. The number of boys is 4 more than the number of girls. The sum of weight and the a...
The average age of a class of 25 girls is 20 years. If 7 new girls having average age of 12 years join the class, then the average age of the class beco...