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

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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.

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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.

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Filed Under: Logic Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

12 8983

Q:

Unit of solid angle is

A) degree	B) radian
C) steradian	D) radian second

Answer & Explanation Answer: C) steradian

Explanation:

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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

Workspace

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

7 8973

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:

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

24 8969

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:

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Filed Under: Indian History

19 8968

Q:

Who is the first Indian woman to receive in Borlaug award and in which year

A) Dr. Maduri V.Patel, 1991	B) Dr. Maduri V.Patel, 1992
C) Dr. Amita Patel, 1991	D) Dr. Amita Patel, 1992

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