Aptitude and Reasoning Questions

Q:

On 8th Dec, 2007 Saturday falls. What day of the week was it on 8th Dec, 2006?

A) Saturday B) Friday
C) Monday D) Tuesday
 
Answer & Explanation Answer: B) Friday

Explanation:

The year 2006 is an ordinary year. So, it has 1 odd day.

So, the day on 8th Dec, 2007 will be 1 day beyond the day on 8th Dec, 2006.

But, 8th Dec, 2007 is Saturday

S0, 8th Dec, 2006 is Friday.

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Filed Under: Calendar

183 43854
Q:

A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a

king of heart is:

A) 2/13 B) 1/13
C) 1/26 D) 1/52
 
Answer & Explanation Answer: C) 1/26

Explanation:

Here, n(S) = 52.

Let E = event of getting a queen of club or a king of heart.

Then, n(E) = 2.

P(E) =n(E)/n(S)=2/52=1/26.

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Filed Under: Probability

7 43847
Q:

In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:

A) 21/46 B) 1/5
C) 3/25 D) 1/50
 
Answer & Explanation Answer: A) 21/46

Explanation:

Let , S -  sample space        E - event of selecting 1 girl and 2 boys. 

Then, n(S) = Number ways of selecting 3 students out of 25 

                = 25C3 

                = 2300.

n(E) = 10C1×15C2 = 1050. 

P(E) = n(E)/n(s) = 1050/2300 = 21/46

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Filed Under: Probability

106 43823
Q:

If x + y + z = 6 and xy + zx + zy = 10, then find the value of x3 + y3 + z3 - 3xyz

 

A) 16 B) 26
C) 36 D) 46
 
Answer & Explanation Answer: C) 36

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 43797
Q:

If x2 + kx + k = 0 has repeated roots, then the value of k will satisfy :

 

 

A) k<0 or k>4 B) k=4 only
C) 0<k<4 D) k=4 or k=0
 
Answer & Explanation Answer: D) k=4 or k=0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

0 43795
Q:

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

Gambler : Casino : : Clerk : ?

 

A) Site B) Restaurant
C) Office D) Stage
 
Answer & Explanation Answer: C) Office

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

1 43773
Q:

If Sinx = 4/5, then 1 + Tan2x =

 

A) 9/25 B) 25/16
C) 4/25 D) 25/9
 
Answer & Explanation Answer: D) 25/9

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

1 43760
Q:

Pick the odd man out

1 4 16 64 126

A) 1 B) 4
C) 64 D) 126
 
Answer & Explanation Answer: D) 126

Explanation:

1*3+1=4

4*3+4=16

16*3+16=64

64*3+64=208 but it is given 126

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2 43743