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Q:

There are 11 True or False questions. How many ways can these be answered ?

A) 11!/2 B) 1024
C) 11! D) 2048
 
Answer & Explanation Answer: D) 2048

Explanation:

Given 11 questions of type True or False

 

Then, Each of these questions can be answered in 2 ways (True or false)

 

Therefore, no. of ways of answering 11 questions = 211 = 2048 ways.

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Filed Under: Permutations and Combinations
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Q:

A class has 8 football players. A 5-member team and a captain will be selected out of these 8 players. How many different selections can be made ? 

A) 210 B) 168
C) 1260 D) 10!/6!
 
Answer & Explanation Answer: B) 168

Explanation:

we can select the 5 member team out of the 8 in 8C5 ways = 56 ways.

The captain can be selected from amongst the remaining 3 players in 3 ways.

Therefore, total ways the selection of 5 players and a captain can be made = 56x3 = 168 ways.

 

(or)

 

Alternatively, A team of 6 members has to be selected from the 8 players. This can be done in 8C6 or 28 ways.

Now, the captain can be selected from these 6 players in 6 ways.

Therefore, total ways the selection can be made is 28x6 = 168 ways.

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Filed Under: Permutations and Combinations
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Q:

Write a quick script for launching a new activity within your application.

Answer

An explicit intent explicitly defines the activity the developer wishes to start. 


Script code :


Intent myIntent = new Intent(this, MyNewActivity.class);


startActivity(myIntent);

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Subject: Programming

Q:

What are the features added in iOS 9 ?

Answer

  • Intelligent Search and Siri- Intelligent Search is an excellent mechanism to learn user habits and act on that information- open apps before we need them, make recommendations on places we might like and guide us through our daily lives to make sure we’re where we need to be at the right time.
    Siri is a personal assistant to the users, able to create contextual reminders and search through photos and videos in new ways. Swiping right from the home screen also brings up a new screen that houses “Siri Suggestions,” putting favorite contacts and apps right on your fingertips, along with nearby restaurant and location information and important news.

  • Deeper search capabilities can show results like sports scores, videos, and content from third-party apps, and you can even do simple conversions and calculations using the search tools on your iPhone or iPad.

  • Many of the built-in apps have been updated.
    ✓ Notes includes new checklists and sketching features
    ✓ Maps now offers transit directions
    ✓ Mail allows for file attachments
    ✓ Apple Pay is being improved with the addition of store credit cards and loyalty cards
    ✓ Leading “Passbook” to be renamed to “Wallet” in iOS 9.

  • San Francisco font, wireless CarPlay support

  • An optional iCloud Drive app, built-in two-factor authentication and optional longer passwords for better security.

  • Performance improvements

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Q:

What JSON framework is supported by iOS (iPhone OS) ?

Answer

  • SBJson framework is supported by iOS.

  • It is a JSON parser and generator for Objective-C (Objective-C is the primary programming language you use when writing software for OS X and iOS. It is a superset of the C-programming language and provides object-oriented capabilities and a dynamic runtime).

  • SBJson provides flexible API's and additional control that makes JSON handling easy.

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Q:

Try this Brain Bashing Challenge ?

17426130_1248673081906460_4073935778689070051_n1500012638.jpg image

A) A to G : 2, 3, 7, 6, 5, 1, 4 B) A to G : 1, 4, 5, 6, 2, 7, 3
C) A to G : 5, 4, 7, 6, 3, 1, 2 D) None
 
Answer & Explanation Answer: A) A to G : 2, 3, 7, 6, 5, 1, 4

Explanation:

This can be done in two ways

1. A to G : 2, 3, 7, 6, 5, 1, 4 

2. A to G : 4, 3, 7, 5, 6, 2, 1

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Filed Under: Math Puzzles
Exam Prep: Bank Exams , CAT
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Q:

Guess the Word in WordPuzzle challenge ?

17309597_1240857999354635_5876598326824702189_n1500012370.jpg image

A) Management B) Managment
C) Manager D) None
 
Answer & Explanation Answer: A) Management

Explanation:

From the given hints,

MANAGEMENT satisfies.

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Filed Under: Word Puzzles

Q:

What is my PIN number ?

15284979_1144906482283121_6846321683334684022_n1500009455.png image

A) 93714 B) 42789
C) 36671 D) 93747
 
Answer & Explanation Answer: D) 93747

Explanation:

From the hints,

Only two options for 1st and 2nd digits => 4,2 and 9,3 since it is single digits

Sum of second and third digit  = 10 

If 2 => 3rd digit = 8

If 3 => 3rd digit = 7

4th digit = 2nd digit + 1 => (2+1 =3) or (3+1 = 4)

Sum of all digits = 30

Let 5th digit be x

=> 1st possibility = 4 + 2 + 8 + 3 + x = 30 => x = 13 (Not possible since it has 2 digits)

=> 2nd possibility = 9 + 3 + 7 + 4 + x = 30 => x = 7

Therefore, the PIN is 93747 

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Filed Under: Math Puzzles
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