Question Discussion & Solution

A constructor is a member function of a class that initializes objects of a class. In C++, Constructor is automatically called when an object (instance of a class) creates. It is a special member function of the class.

Syntax

class_name(parameter1, parameter2, ...)

{

    // constructor Definition

}

Default Constructor

It is the constructor that doesn’t take any argument. It has no parameters.

Parameterized Constructors

It is possible to pass arguments to constructors. Typically, these arguments help initialize an object when it is created. 

Copy Constructor

A copy constructor is a member function that initializes an object using another object of the same class.

President is the head of the Union Executive of a country.

Similarly,

Given,

Given Expression: 70S7P21R2Q15

According to question :

=70 ÷ 7 + 21 × 2 – 15

Using BODMAS rule,

=10 + 21 × 2 – 15

= 10 + 42 – 15

= 52 – 15

= 37

Hence, value of the given expression is ‘37’.

The correct answer is 30 October 1974.

• Rajasthan State Mines & Minerals Ltd. was established on 30 October 1974.

Key Points

• The prime objective of RSMML is to achieve cost-effective technological innovations in the mining of minerals and to diversify into mineral-based downstream projects
• The major activities of the company have been divided into four parts called Strategic Business Units & Profit Centres (SBU & PC) under the direct control of the corporate office situated at Udaipur. 
• The four SBU & PC are as follow
  • SBU & PC Rock phosphate, Udaipur
  • SBU & PC Gypsum, Bikaner
  • SBU & PC Limestone, Jodhpur
  • SBU & PC Lignite, Jaipur

Key Points

txtFirst + Last Name:

False, the + symbol is an illegal character for control names.

The remaining all are acceptable control in visual basic.

Hence the correct answer is btnCalc, txtAge, lblDistance.