Question
A reduction of 20% in the price of rice enables a
customer to purchase 125 kg more for Rs.8,000. What is the original price of riceSolution
Let P be the original price per kg. Reduced price = 0.8P. Amount of rice bought at original price = 8000/P Â Amount of rice bought at reduced price = 8000/ 0.8P =10000 /P The difference in price = 125 kg 10000/P -8000/P =125 2000/P=125 P=16 The original price is Rs. 16 per kg.
In two-phase locking, a transaction releases its locks:
A relation is in 2NF if:
Which of the following is a type of database index?
Which normal form removes partial dependency?
Distributed 2-Phase Commit (2PC) can suffer from:
A view in SQL is:
Which of the following is a DML command?
Which normal form eliminates transitive dependency?
Which of the following is a transaction property ensuring all steps are completed or none?
Which of the following schedules is serializable?
Relevant for Exams:
