Question
What significant milestone did India achieve in digital
payments according to the RBI-DPI in March 2025?ÂSolution
The RBI-DPI, which measures the extent of digitization in payments, increased to 493.22 in March 2025, showing over fourfold growth since its base year (2018 = 100). This highlights the success of UPI and digital initiatives in financial inclusion.Â
Which constraint ensures that no duplicate values exist in a column?
Examine the following Java-like code:Â
  ```java
  class Parent {
    String name = "Parent";
    p...
What is the output of the following pseudo-code?Â
 ```
  count = 0
  for i from 1 to 3:
    for j from 1 t...
Given a `Queue` data structure with `enqueue` and `dequeue` operations. What is the element returned by the last `dequeue` operation in the following se...
Indexes improve query performance but can degrade performance of:
Which of the following is true about the primary key in a relational database?
Which normal form ensures no partial dependency of non-prime attributes on a candidate key?
Which concurrency anomaly is specific to phantom reads?
In a program that manages a collection of `Employee` objects, each with a `salary` attribute, which control flow mechanism would be most efficient to fi...
When implementing a `Graph` traversal algorithm like Depth-First Search (DFS) recursively, what is the primary control flow mechanism that manages the o...
