Aptitude and Reasoning Questions

Q:

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

HFZ : LJD : : ? : ?

A) KTM : OXQ B) KBN : LCO
C) BHO : DJQ D) FKU : INX
 
Answer & Explanation Answer: A) KTM : OXQ

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

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

A) 9 cm B) 18 cm
C) 20 cm D) 41 cm
 
Answer & Explanation Answer: B) 18 cm

Explanation:

l2+b2 = diagonal2=40

Also, lb=20

 

l+b2=l2+b2+2lb = 41 + 40 =81 

(l + b) = 9.

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

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48 35574
Q:

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

 

DFI : IKN : : NPS : ?

 

A) SUV B) TUV
C) SUX D) TUX
 
Answer & Explanation Answer: C) SUX

Explanation:
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Filed Under: Analogy
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Q:

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

43, 58, 88, 133, ?, 268

 

A) 193 B) 203
C) 163 D) 218
 
Answer & Explanation Answer: A) 193

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

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Q:

If x is 80% of y, then what percent of 2x is y?

A) 65.5 % B) 64.5 %
C) 63.5 % D) 62.5 %
 
Answer & Explanation Answer: D) 62.5 %

Explanation:

 x = 80 % of y  

=> x =(80/100 )y  

=> y/x = 5/4  

Required percentage =  [(y/2x)*100] % = (5/8*100) % =62.5%

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Filed Under: Percentage

96 35528
Q:

A train of length 110 meter is running at a speed of 60 kmph. In what time, it will pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?

A) 10 B) 8
C) 6 D) 4
 
Answer & Explanation Answer: C) 6

Explanation:

Distance = 110 m

Relative speed = 60 + 6 = 66 kmph (Since both the train and the man are in moving in opposite direction)

= (66*5/18)  m/sec = 55/3  m/sec

Time taken to pass the man = (100*3/55) = 6 s

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Filed Under: Problems on Trains

81 35512
Q:

A box contains 10 bulbs,of which just three are defective. If a random sample of five bulbs is drawn, find the probability that the sample contains exactly one defective bulb.

A) 5/12 B) 7/12
C) 3/14 D) 1/12
 
Answer & Explanation Answer: A) 5/12

Explanation:

Total number of elementary events = 10C5

 

Number of ways of selecting exactly one defective bulb out of 3 and 4 non-defective out of 7 is 3C1*7C4

 

So,required probability =3C1*7C4/10C5 = 5/12.

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Filed Under: Probability

66 35508
Q:

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

 

64 : 10 : : 94 : ?

 

A) 16 B) 7
C) 4 D) 13
 
Answer & Explanation Answer: D) 13

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

1 35499