Brain Teasers,Riddles And Mathematical Puzzles

Approved & Edited by ProProfs Editorial Team

The editorial team at ProProfs Quizzes consists of a select group of subject experts, trivia writers, and quiz masters who have authored over 10,000 quizzes taken by more than 100 million users. This team includes our in-house seasoned quiz moderators and subject matter experts. Our editorial experts, spread across the world, are rigorously trained using our comprehensive guidelines to ensure that you receive the highest quality quizzes.

Learn about Our Editorial Process

| By Deewam

Deewam

Community Contributor

Quizzes Created: 1 | Total Attempts: 493

Questions: 5 | Attempts: 496 | Updated: Mar 22, 2022

Settings

Create your own Quiz

Share on Facebook Share on Twitter Share on Whatsapp Share on Pinterest Share on Email Copy to Clipboard Embed on your website

Questions and Answers

1.

Vikaram chand has 2 chilldren,and at least one of them is a girl.what is the probability that both children are children?
- A.
  
  1/3
- B.
  
  1/6
- C.
  
  1/9
- D.
  
  1/12
- E.
  
  1/15
Correct Answer
A. 1/3

Explanation
there are three possible outcome
G-B,B-G or G-G.since only one of these three is girls the probability is 1/3

Rate this question:

1
1
2.

A standard deck of cards has 52 cards. What is the probability that six cards drawn at random will all be black cards?
3.

17.x =17+ x What is the value of x ?
4.

Is this no. is prime? 1000009
5.

ANGLE OF HANDSthe time is 2.15.M. what is the angle b/w the hour & minute hands?

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Mar 22, 2022

Quiz Edited by
ProProfs Editorial Team
Jan 15, 2009

Quiz Created by
Deewam

Brain Teasers,Riddles And Mathematical Puzzles

Vikaram chand has 2 chilldren,and at least one of them is a girl.what is the probability that both children are children?

A standard deck of cards has 52 cards. What is the probability that six cards drawn at random will all be black cards?

17.x =17+ x What is the value of x ?

Is this no. is prime? 1000009

ANGLE OF HANDSthe time is 2.15.M. what is the angle b/w the hour & minute hands?