Questions

Q:

A bag contains 12 white and 18 black balls. Two balls are drawn in succession without replacement. What is the probability that first is white and second is black?

A) 6/145 B) 36/145
C) 18/95 D) 12/145
 
Answer & Explanation Answer: B) 36/145

Explanation:
 

The probability that first ball is white:
=C112C130=1230=25


Since, the ball is not replaced; hence the number of balls left in bag is 29.
Hence the probability the second ball is black:
=C118C129=1829


Required probability =(25)×(1829)


=36/145

Report Error

View Answer Report Error Discuss

10 8989
Q:

Ayurveda Day celebrated globally on

 

A) November 13 B) November 12
C) November 14 D) November 15  
 
Answer & Explanation Answer: A) November 13

Explanation:

Ayurveda Day is annually celebrated across the globe on the day of Dhanwantri Jayanti, as a global initiative to promote and preserve the health science of Ayurveda.

 

Report Error

View Answer Report Error Discuss

Filed Under: Important Days and Years
Exam Prep: Bank Exams

2 8983
Q:

'Brothers and sisters, I have none. But that man's father is my father's son'.
How I and that man are related respectively?

A) Father & Son B) Brothers
C) Son & Father D) Nephews
 
Answer & Explanation Answer: A) Father & Son

Explanation:

Given that man's father is my father's son => Me because i have no brothers

=> Mans father is me.

Hence, that man is my Son.

Report Error

View Answer Report Error Discuss

12 8983
Q:

Unit of solid angle is

A) degree B) radian
C) steradian D) radian second
 
Answer & Explanation Answer: C) steradian

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Physics

20 8977
Q:

9 P in SS?

Answer

9 P in SS  is a short form for 9 Planets i  Solar System.


 


There are many more of this kind. Some of them are:


 


1. 7 C in a R        -    7 Colours in a Rainbow


2.  90 D in a R A   -    90 Degrees in a Right Angle


3.  52 W in a Y     -    52 Weeks in a Year


4.  5 C in an OF


5.  12 S of the Z

Report Error

View answer Workspace Report Error Discuss

Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

7 8974
Q:

Who is the father of Green Revolution in India?

A) Jayanth C Narlikar B) Amartyasen
C) RK Pachowry D) M.S. Swaminathan
 
Answer & Explanation Answer: D) M.S. Swaminathan

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian History

19 8970
Q:

Which of these is not a means of personal communication on the internet  ?

A) Instant messaging B) Chat
C) Electronic mail D) Instanotes
 
Answer & Explanation Answer: D) Instanotes

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

24 8969
Q:

An objective of the National Food Security Mission is to increase the production of certain crops through area expansion and productivity enhancement in a sustainable manner in the identified districts of the country. What are those crops?

A) Rice and Wheat only B) Rice, Wheat and pulses only
C) Rice, Wheat, Pulses and oil seeds only D) Rice, Wheat, Pulses, oil seeds and vegetables
 
Answer & Explanation Answer: B) Rice, Wheat and pulses only

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Indian Economy

8 8961