Aptitude and Reasoning Questions

Q:

What is the value of a two–digit number?

A. The sum of the digits is 15.
B. The difference of the squares of the digits is 45.
C. The difference of their digits is 3.

A) B and C together are sufficient B) Any one pair of A and B, B and C or C and A is sufficient
C) C and A together are sufficient D) A and B together are sufficient
 
Answer & Explanation Answer: B) Any one pair of A and B, B and C or C and A is sufficient

Explanation:

From the given data,

Let the two gits of a number be x & y

A) x + y = 15

 

B) x2 - y2 = 45

(x+y) (x - y) = 45

 

C) x - y = 3

From any 2 of the given 3 statements, we can find that 2 digit number as 

2x = 18 => x = 9

=> y = 6

Hence, 2 digit number is 96.

 

Any one pair of A and B, B and C or C and A is sufficient to find.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:

A) 12 B) 15
C) 18 D) 20
 
Answer & Explanation Answer: B) 15

Explanation:

Dividend on Rs. 20 = Rs. (9/100)x 20 = Rs.9/5.

Rs. 12 is an income on Rs. 100.

Rs.9/5 is an income on Rs.[ (100/12) x (9/5)] = Rs. 15.

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Filed Under: Stocks and Shares

41 34816
Q:

A container contains 50 litres of milk. From that 8 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container ?

A) 24.52 litres B) 29.63 litres
C) 28.21 litres D) 25.14 litres
 
Answer & Explanation Answer: B) 29.63 litres

Explanation:

Given that container has 50 litres of milk.

 After replacing 8 litres of milk with water for three times, milk contained in the container is:

 501-8503

50×4250×4250×4250  = 29.63 litres.

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

51 34798
Q:

Find the surface area (in sq.cm) of a sphere of diameter 14 cm.

 

A) 616   B) 4699  
C) 8628   D) 6922
 
Answer & Explanation Answer: A) 616  

Explanation:
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

3 34774
Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

18 - 2 ÷ 20 + 5 x 16 = 69

A) ÷ and - B) + and x
C) + and ÷ D) - and +
 
Answer & Explanation Answer: A) ÷ and -

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 34765
Q:

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

Entomology : Insects:: Seismology: ?

 

A) Man B) Fossils
C) Earthquakes D) Diseases
 
Answer & Explanation Answer: C) Earthquakes

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 34739
Q:

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

CD : IP : : EB : ?

A) HI B) KN
C) YA D) XY
 
Answer & Explanation Answer: B) KN

Explanation:
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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT

0 34719
Q:

Find the odd word/letters/number pair from the given alternatives.

(A) AE (B) CG (C) JN (D) MO

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

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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