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Q:

A and B can complete a task in 20 days, B and C can complete it in 30 days while C and A can do the same task together in 24 days. How many days will each of and C take to complete the task individually? 

 

A) 50 and 54  B) 54 and 72 
C) 48 and 80  D) 56 and 64
 
Answer & Explanation Answer: C) 48 and 80 

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

Two pipes X and Y can individually fill a tank in 48 and 72 min respectively. If they are opened simultaneously, how long will it take for the tank to fill? 

 

A) 39.4 min  B) 28.8 min 
C) 24 min  D) 60 min
 
Answer & Explanation Answer: B) 28.8 min 

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

Two pipes fill a tank when working individually in 25 and 40 hours, respectively while a third pipe can drain the filled tank in 16 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely ?

A) 2 days 1 hour B) 16 days 16 hours
C) 1 day 7 hours D) 15 days 18 hours
 
Answer & Explanation Answer: B) 16 days 16 hours

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

B is thrice as efficient as A and C is 0.75 times as efficient as A. What is the ratio of number of days taken by A, B and C when they work individually?

A) 4:1:3 B) 3:1:4
C) 2:3:1 D) 5:1:2
 
Answer & Explanation Answer: B) 3:1:4

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

 

On the speech front, we

A-can all do something individually

B-idiom of communication

C-if we change our

 

A) ABC B) CBA
C) ACB D) CAB
 
Answer & Explanation Answer: C) ACB

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

Q:

In which of the following types of economy are the factors of production owned individually?

A) Capitalist B) Socialist
C) Mixed D) Both Capitalist and Socialist
 
Answer & Explanation Answer: A) Capitalist

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Filed Under: Indian Economy
Exam Prep: Bank Exams

Q:

In which of the following types of economy are the factors of production owned individually?

A) Capitalist B) Socialist
C) Mixed D) Both Capitalist and Socialist
 
Answer & Explanation Answer: A) Capitalist

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Filed Under: Indian Economy
Exam Prep: Bank Exams

Q:

A is twice efficient as B and together they do the same work in as much time as C and D together. If C and D can complete the work in 20 and 30 daysrespectively, working alone ,then in how many days A can complete the work individually:

A) 12 days B) 18 days
C) 24 days D) 30 days
 
Answer & Explanation Answer: B) 18 days

Explanation:

                                              A     +      B        =      C     +     D 

                                              |              |                 |             | 

    Ratio of efficiency         10x   +    5x               9x     +   6x 

                                             |________|                 |_________|   

                                                   15x                           15x 

Therefore , ratio of efficiency of A:C  =10:9 

Therefore,  ratio of days taken by A:C = 9:10 

Therefore, number of days taken by A = 18 days                 

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Filed Under: Time and Work