Actually I have four choice out of which i need to discard to choice on button click like 50/50 , then it will show only 2 choice for user to select out which one is correct and one is wrong

-(IBAction)Rebind:(id)sender {


if (i == [QuizArray count]) {


    if([sender tag] == 1)
        //if([sender tag] == 1)
    {
        [self.CorrectArr addObject:@"A"];
        //[self.CorrectArr addObject:mydiet.varOpt1];
    }
    else if([sender tag] == 2)
    {
        [self.CorrectArr addObject:@"B"];
        //[self.CorrectArr addObject:mydiet.varOpt2];
    }
    else if([sender tag] == 3)
    {
        [self.CorrectArr addObject:@"C"];
        //[self.CorrectArr addObject:mydiet.varOpt3];
    }
    else if([sender tag] == 4)
    {
        [self.CorrectArr addObject:@"D"];
        //[self.CorrectArr addObject:mydiet.varOpt4];
    }

    Score *myscore = [[Score alloc] initWithNibName:@"Score" bundle:nil];

    myscore.SelectedArr = CorrectArr;

    [self.view addSubview:myscore.view];

}
else
{
    NSString *questionstring = [NSString stringWithFormat:[[QuizArray objectAtIndex:i] varQuestion]];   
    self.myquestion.text = questionstring;
    [btn1 setTitle:[[AnswerArray objectAtIndex:i] varAnswer] forState:normal];


    if([sender tag] == 1)
    {
        [self.CorrectArr addObject:@"A"];
        //addObject:mydiet.varOpt1];
    }
    else if([sender tag] == 2)
    {
        [self.CorrectArr addObject:@"B"];
        //addObject:mydiet.varOpt2];
    }
    else if([sender tag] == 3)
    {
        [self.CorrectArr addObject:@"C"];
        //addObject:mydiet.varOpt3];
    }
    else if([sender tag] == 4)
    {
        [self.CorrectArr addObject:@"D"];
        //addObject:mydiet.varOpt4];
    }

}

i = i + 1;

//}

}