Aptitude and Reasoning Questions

Q:

The diluted wine contains only 8 liters of wine and the rest is water. A new mixture whose concentration is 30%, is to be  formed by replacing wine. How many liters of mixture shall be replaced with pure wine if there was initially 32 liters of water in the mixture ?

A) 4 B) 5
C) 8 D) None of these
 
Answer & Explanation Answer: B) 5

Explanation:

           Wine                         Water

            8L                              32L

            1                :               4

           20 %                           80% (original ratio)

           30 %                           70% (required ratio)

 

In  ths case, the percentage of water being reduced when the mixture is being replaced with wine.

 

so the ratio of left quantity to the initial quantity is 7:8

 

Therefore , 78=1-K40

 

=> K = 5 Lit

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Filed Under: Alligation or Mixture
Exam Prep: CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

94 34868
Q:

In the following question, select the related letter/letters from the given alternatives.

TMP : QJM : : PIK : ?

 

A) MFH B) RHK
C) GFI D) AHK
 
Answer & Explanation Answer: A) MFH

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

2 34859
Q:

The diagonal of a rectangle is 41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:

A) 18 B) 28
C) 38 D) 48
 
Answer & Explanation Answer: A) 18

Explanation:

l2+b2=41 (or)   l2+b2=41  

Also, lb=20

l+b2=l2+b2+2lb  = 41 + 40 = 81

(l + b) = 9. 

Perimeter = 2(l + b) = 18 cm.

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Filed Under: Area
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

129 34849
Q:

In the following question, select the related number from the given alternatives.

 

594 : 592 : : 368 : ?

 

A) 370 B) 340
C) 364 D) 366
 
Answer & Explanation Answer: D) 366

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

In the following question, select the related number from the given alternatives.

13 : 171 : : 17 : ?

 

A) 286 B) 289
C) 291 D) 294
 
Answer & Explanation Answer: C) 291

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

2 34818
Q:

The average age of 36 students in a group is 14 years. When teacher's age is included to it, the average increases by one. What is the teacher's age in years ?

A) 35 years B) 45 years
C) 51 years D) 54 years
 
Answer & Explanation Answer: C) 51 years

Explanation:

Age of the teacher = (37 * 15 - 36 * 14) years = 51 years.

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Filed Under: Average

28 34787
Q:

In the following question, select the related letter/letters from the given alternatives.

 

WYV : PRN : : TPJ : ?

 

A) MIC B) NJD
C) MJC D) NID
 
Answer & Explanation Answer: A) MIC

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 34783
Q:

When Anuj saw Manish, he recalled, "He is the son of the father of my daughter." Who is Manish ? 

A) Brother-in-law B) Brother
C) Cousin D) Uncle
 
Answer & Explanation Answer: A) Brother-in-law

Explanation:

Anuj's daughter's mother — Anuj's wife ;

Anju's wife's father - Anuj's father-in-law; 

Father-in-law's son — Anuj's brother-in-law

So, Manish is Anuj's brother-in-law 

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Filed Under: Blood Relations

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