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Q:

A is 3 times faster than B. If A can finish a work 32 days less than that of B, find the number of days need to finish the work if both are working together?

A) 12 days B) 24 days
C) 32 days D) 16 days
 
Answer & Explanation Answer: A) 12 days

Explanation:

It is given that efficiency ratio =3:1

so time ratio will be 1:3 (since work is same)

 

Also given that time diff = 32 days. ratio difference = 3-1 =2 

2 ratio = 32 days

1 ratio = 16 days.

So A will alone finish it in 16 days and B will finish it in 16*3 = 48 days.

 

Total work = LCM of 16 and 48 = 48.

Total time = Total work/Total efficiency 

ie; 48/4= 12 days.

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

8 17158
Q:

In the following question, select the missing number from the given series.

 

2, 3, 4, 9, 16, 29, 54, ?

 

A) 109   B) 99  
C) 87   D) 117
 
Answer & Explanation Answer: B) 99  

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

9 17152
Q:

Ten years ago, Kumar was thrice as old as Sailesh was but 10 years hence, he will be only twice as old. Find Kumar’s present age ?

A) 50 years B) 70 years
C) 60 years D) 40 years
 
Answer & Explanation Answer: B) 70 years

Explanation:

Let Kumar’s present age be "x" years and Sailesh’s present age be "y" years.
Then, according to the first condition,


x - 10 = 3(y - 10) => x - 3y = - 20 ........(1)

Now, Kumar’s age after 10 years = (x + 10) years.

Sailesh’s age after 10 years = (y + 10) years.

(x + 10) = 2 (y + 10)  => x - 2y = 10 ......(2)

 

Solving (1) and (2),

we get x = 70 and y = 30

Kumar’s present age = 70 years    and  Sailesh’s present age = 30 years.

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Filed Under: Problems on Ages
Exam Prep: CAT
Job Role: Bank PO

12 17135
Q:

An Assertion (A) and a Reason (R) are given below.

 

Assertion (A) : We feel comfortable in hot and humid climate.

Reason (R) : Sweat evaporates faster in humid climate.

 

Choose the correct option.

 

A) A is true but R is false B) A is false but R is true
C) Both A and R are true and R is the correct explanation of A D) Both A and R are false
 
Answer & Explanation Answer: D) Both A and R are false

Explanation:
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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

0 17127
Q:

In the following question, select the missing number from the given series.

123, 120, 116, 111, ?, 98

 

A) 100 B) 105
C) 99 D) 103
 
Answer & Explanation Answer: B) 105

Explanation:
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Filed Under: Number Series
Exam Prep: Bank Exams

1 17112
Q:

From the given words, select the word which cannot be formed using the letters of the given word.

RECLINES

A) SINCE B) RELIC
C) LINER D) SCARE
 
Answer & Explanation Answer: D) SCARE

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

0 17093
Q:

Select the word which cannot be formed using the letters of the given word

REJUVENATION

A) JUTE B) NATION
C) REVISION D) NATIVE
 
Answer & Explanation Answer: C) REVISION

Explanation:
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Filed Under: Logical Sequence of Words
Exam Prep: Bank Exams

1 17092
Q:

Select the option that is the correct mirror image of the following figure.

 

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

Explanation:
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Filed Under: Image Analysis
Exam Prep: Bank Exams

0 17090