Question Discussion & Solution

• The Juvenile Justice Act of 2015 is an amendment to the Juvenile Justice Act, 2002.
• It provides for the trial of children in the age group 16-18 years as adults under circumstances involving heinous crimes.
• The act has defined a child as someone who is below the age of 18.
• Minimum Punishment - Seven years.
• However, the act doesn't make it mandatory to try all children in the age group of 16-18 years as adults.

The pattern followed here is:

25 → First digit of 23 and second digit of 65.

68 → First digit of 61 and second digit of 38.

? → First digit of 72 and second digit of 48 → 78.

Hence, the answer is 78.

Concept:

Classes in java are the collection of objects which has some similar properties. A class in java contains fields, methods, constructors, blocks, interfaces.

Explanation:

Everything is associated with classes and objects. An object is an instance of the class which has some state and behavior.

An object class(java.lang.object) is the parent class of all the java classes.  It can be used when we do not know about the type of the object. By having the object as the super class , without knowing the type we can pass around objects using the object declaration.

The correct answer is citric.

• Orange juice contains citric acid due to which tastes sour.

Key Points

• Fruits that contain citric acid are called citrus fruits.
• Citrus fruits are lemon, lime, orange, Grapefruit, etc.
• The formula of citric acid is C₆H₈O₇.

Additional Information

• Oxalic acid is found in tomato.
  • Its formula is C₂H₂O₄.
• Formic acid is found in the sting of ants and bees.
  • Its formula is CH₂O₂.
• Acetic acid is found in vinegar.
  • Its formula is id CH₃COOH.

Concept:-

 Single linked list:

This list consists of a number of nodes in which each node has a next pointer to the following element. The link of the last node in the list is NULL, which indicates the end of the list.

Calculation:-

After perform ((Start → Next) → Next) the current link transfer to the third node of linked. And Third node data value is 128.

Hence the correct answer is 128.