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Q:

n is an integer chosen at random from the set

{5, 7, 9, 11 }

p is chosen at random from the set

{2, 6, 10, 14, 18}

What is the probability that n + p = 23 ?

A) 0.1 B) 0.2
C) 0.25 D) 0.3
 
Answer & Explanation Answer: A) 0.1

Explanation:

Each of the integers in the first set could be combined with any from the second set, giving a total of 4 x 5 = 20 possible pairs.

Of these the combinations that could give a sum of 23 are (5 + 18), and (9 + 14)

This means that the probability of getting a sum of 23 is 2/20 = 1/10

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GRE

0 55109
Q:

‘Sea Vigil-21’ is a Defence Exercise undertaken by which country?

 

A) China B) Japan
C) India D) United Kingdom
 
Answer & Explanation Answer: C) India

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams

0 55093
Q:

Which of the following should always be balanced in the foreign trade of India?

 

 

A) Balance of Trade B) Balance of Paymen
C) Balance of Current Account D) No option is correct
 
Answer & Explanation Answer: B) Balance of Paymen

Explanation:
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Filed Under: Indian Economy
Exam Prep: Bank Exams

10 55091
Q:

India was declared free from which infective eye disorder on 9 December, 2017?

 

A) Blepharitis B) Chalazia
C) Pinkeye D) Trachoma
 
Answer & Explanation Answer: D) Trachoma

Explanation:
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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams

0 55090
Q:

Which of the following statements is true?

The velocity of sound is :

 

A) less in summer than in winter B) same in winter and summer
C) independent of seasons D) more in summer than in winter
 
Answer & Explanation Answer: D) more in summer than in winter

Explanation:
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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams

3 55083
Q:

Calculate the power (in W) of an engine if it can perform 120 J of work in 3 seconds.

 

A) 360 B) 80
C) 180 D) 40
 
Answer & Explanation Answer: D) 40

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

0 55044
Q:

Who coined the term ‘protoplasm’ for the fluid substance of the cell?

 

A) Robert Hooke B) Robert Brown
C) J.E Purkinje D) M. Schleiden
 
Answer & Explanation Answer: C) J.E Purkinje

Explanation:
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Filed Under: Biology
Exam Prep: Bank Exams

2 55024
Q:

Golden Revolution in India refers to growth of

 

A) Rice B) Wheat
C) Honey D) Fish
 
Answer & Explanation Answer: C) Honey

Explanation:

Golden Revolution in India refers to increase in the production of Honey and other Horticulture. The period between 1991 to 2003 is referred to as Golden Revolution Period.

 

 

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Filed Under: Indian History
Exam Prep: Bank Exams

0 54957