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Q:

Two boxes contain 4 and 16 balls respectively. Two balls in the first box and four in the second, are black. If a box is chosen randomly and two balls are drawn at random from it, what is the
probability that at least one ball is black if the ball is not replaced?

A) 11/20 B) 43/120
C) 77/120 D) 9/20
 
Answer & Explanation Answer: C) 77/120

Explanation:

At least one black can be chosen in two ways from each box:
Now, probability of choosing at least one black ball from first box 

= 1/2 × [ (2C1× 2C1)/4C2 + 2C2/ 4C2 ]= 5/12

Probability of choosing at least one black ball from 2nd box
= 1/2 × [(4C1×12C1)/16C2 + 4C2/ 16C2] = 9/40

Final probability

= 5/12 + 9/40 = (50 + 27)/120 = 77/120

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

Second largest continent of the world?

A) Asia B) Australia
C) Africa D) Europe
 
Answer & Explanation Answer: C) Africa

Explanation:

Africa is the second largest continent both by popolation and area wise. Asia being first by both popolation and area wise.

 

second_largest_continent_of_the_world1555564422.png image

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 4920
Q:

Who will be awarded The Jnanpith Award for the year 2017?

A) Krishna Sobti B) Vikas Singh
C) Rohim Khan D) Sunita Verma
 
Answer & Explanation Answer: A) Krishna Sobti

Explanation:

Hindi writer Krishna Sobti has been chosen for this years Jnanpith Award for her contribution to Indian Literature. This is 53rd Jnanpith Award for India.

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Filed Under: Honours and Awards
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO , IT Trainer

14 4919
Q:

Where will the Olympic Games in 2012 be held

A) Italy B) Germany
C) France D) England
 
Answer & Explanation Answer: D) England

Explanation:
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Filed Under: Sports

4 4917
Q:

Which Indian city is the most polluted city in the world as per a study recently released by WHO?

A) Delhi B) Mumbai
C) Pune D) Chennai
 
Answer & Explanation Answer: A) Delhi

Explanation:
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Filed Under: General Awareness

5 4916
Q:

Which is the most irrigated state in India?

A) Punjab B) Himachal Pradesh
C) Haryana D) Telangana
 
Answer & Explanation Answer: A) Punjab

Explanation:
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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT
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0 4916
Q:

Which among the following states leads in Handloom and Handicrafts clusters in India?

A) Maharastra B) West Bengal
C) Uttar Pradesh D) Odisha
 
Answer & Explanation Answer: C) Uttar Pradesh

Explanation:
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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

6 4914
Q:

Which of the following rulers was held captives by his son ?

A) Babar B) Humayun
C) Akbar D) Shajahan
 
Answer & Explanation Answer: D) Shajahan

Explanation:
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Filed Under: Indian History

19 4914