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Q:

12 men complete a work in 9 days. After they have worked for 6 days, 4 more men join them. How many days will they take to complete the remaining work ?

A) 2 days B) 2.5 days
C) 2.25 days D) 3 days
 
Answer & Explanation Answer: C) 2.25 days

Explanation:

1 man's 1 day work = 1/108
12 men's 6 day's work = 1/9 x 6 = 2/3

Remaining work = 1 - 2/3 = 1/3

16 men's 1 day work = 1/108 x 16 = 4/27
4/27 work is done by them in 1 day.

1/3 work is done by them in 27/4 x 1/3 = 9/4 days.

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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

18 13565
Q:

If z = 6 - 2√3, then find the value of (z - 1z)2.

 

A) 102 - 4634 B) 102 - 4632
C) 102 - 46324 D) 12 - 46324
 
Answer & Explanation Answer: C) 102 - 46324

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 13561
Q:

Excluding stoppages, the average speed of a bus is 60 km/hr and including stoppages, the average speed of the bus is 40 km/hr. For how many minutes does the bus stop per hour ?

A) 2 hrs B) 20 min
C) 40 min D) 30 min
 
Answer & Explanation Answer: B) 20 min

Explanation:

In 1hr, the bus covers 60 km without stoppages and 40 km with stoppages.

Stoppage time = time take to travel (60 - 40) km i.e 20 km at 60 km/hr.

stoppage time = 20/60 hrs = 20 min.

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Filed Under: Time and Distance
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

11 13557
Q:

Choose the most appropriate answer:

Todar Mal was associated with________ in Akbar’s durbar.

A) Music B) Literature
C) Finance D) Law Reforms
 
Answer & Explanation Answer: C) Finance

Explanation:

Raja Todar Mal was the Finance Minister of the Mughal empire during Akbar's reign.

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Filed Under: Indian History
Exam Prep: Bank Exams

2 13551
Q:

Who called Subhash Chandra Bose as Desh Nayak?

A) Rabindranath Tagore B) Mahatma Gandhi
C) Bal Gangadhar Tilak D) Lala Lajpat Rai
 
Answer & Explanation Answer: A) Rabindranath Tagore

Explanation:

Rabindranath Tagore called Subhash Chandra Bose as Desh Nayak for the first time.

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

26 13549
Q:

Find the missing (?) in the series.

 

TUS, QRP, ?, KLJ, HIJ

 

A) ONM B) MNO
C) NOM D) MON
 
Answer & Explanation Answer: C) NOM

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

6 13548
Q:

Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is  ?

A) 16/19 B) 1
C) 3/2 D) 17/20
 
Answer & Explanation Answer: D) 17/20

Explanation:

n(S) = 20
n(Even no) = 10 = n(E)
n(Prime no) = 8 = n(P)
P(E U P) = 10/20 + 8/20 - 1/20 = 17/20

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Filed Under: Probability
Exam Prep: Bank Exams , CAT , GATE
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15 13545
Q:

The primary purpose of an operating system is ?

A) To allow people to use the computer B) To make computers easier to use
C) To keep systems programmers employed D) To make the most efficient use of the computer hardware
 
Answer & Explanation Answer: D) To make the most efficient use of the computer hardware

Explanation:

The primary purpose of an operating system is to make the most efficient use of the computer hardware.

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

29 13537