Aptitude and Reasoning Questions

Q:

The ratio between the speeds of two trains is 7: 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is ?

A) 83.5 km/hr B) 84.5 km/hr
C) 86.5 km/hr D) 87.5 km/hr
 
Answer & Explanation Answer: D) 87.5 km/hr

Explanation:

Let the speeds of two trains be 7X and 8X km/hr.

8x = 400/4

=> x= 12.5 km/hrX=4004=>X=12.5Km/hr

So speed of first train is 12.5*7 = 87.5 km/hr

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Filed Under: Time and Distance

63 34413
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 34398
Q:

Select the related word/letters/number from the given alternatives.

 

37 : 21 : : 29 : ?

 

A) 17 B) 28
C) 18 D) 19
 
Answer & Explanation Answer: C) 18

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 34394
Q:

Select the related word/letters/number from the given alternatives.

XY : AB : : LM : ?

A) OP B) PO
C) RS D) TU
 
Answer & Explanation Answer: A) OP

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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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 34392
Q:

Select the related word/letters/number from the given alternatives.

TR : VX : : MK : ?

A) QP B) QR
C) OQ D) OP
 
Answer & Explanation Answer: C) OQ

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 34383
Q:

Find the missing (?) in the series

BCA, FGE, ?, NOM, RSQ, VWU

 

A) IJH B) KLJ
C) KJI D) JKI
 
Answer & Explanation Answer: D) JKI

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

2 34341
Q:

Select the related word/letters/number from the given alternatives.

 

HI : 17:: PQ : ?

 

A) 37 B) 24
C) 30 D) 33
 
Answer & Explanation Answer: D) 33

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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