Aptitude and Reasoning Questions

Q:

Venu is the Son of Avani and Amit is the son of Avani's brother. How is Amit's Mother related to Venu?

A) Sister B) Maternal aunt
C) Paternal aunt D) Cousin
 
Answer & Explanation Answer: B) Maternal aunt

Explanation:
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Filed Under: Blood Relations

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Q:

If 37*14 = 17,
69*33 = 34,
91*125 = 72
then what should 28*56 = ?

A) 26 B) 42
C) 34 D) 28
 
Answer & Explanation Answer: D) 28

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

If "+" means "minus", "x" means "divided by", "÷" means "plus" and "-" means "multiplied by", then
76 x 4 + 4 – 12 ÷ 37 = ?

A) 9 B) 7
C) 8 D) 3
 
Answer & Explanation Answer: C) 8

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams , CAT

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Q:

Sum of cubes of first n even natural numbers.

Answer

Proof of Sum of cubes of first n even natural numbers ::


sum_of_cubes_of_first_n_even_natural_numbers1556603651.png image


 


Hence, in other words, the sum of the first n cubes is the square of the sum of the first n natural numbers.

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Subject: Simplification Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

The ratio of volume of a cone to that of a cylinder if cylinder radius is reduced by 4 times and its height increased by 8 times of that of the cone, is - 

A) 3:2 B) 2:3
C) 5:7 D) 7:5
 
Answer & Explanation Answer: B) 2:3

Explanation:

Ans. Let radius of the base and height of the cone be ‘r’ & ‘h’ respectively.

Then volume of cone = πr2h/3 For cylinder, radius is reduced by 4 times = r/4 And,  height is increased by 8 folds = 8h Volume of cylinder = πR2H = π(r/4)2 (8h) = (16/8)πr2h = πr2h/2 Ratio of volume of cone to volume of cylinder = (πr2h/3) : (πr2h/2) Or, Ratio = 2 : 3.

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Q:

Select the alternative which represents three out of the five alternative figures which when fitted into each other would form a complete square.

A) 1,2,4 B) 2,3,4
C) 3,4,5 D) 2,3,5
 
Answer & Explanation Answer: B) 2,3,4

Explanation:

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Filed Under: Shape Construction

7 2623
Q:

If 4x = √5+ 2, then the value of x - 1/16x is

A) 1 B) -1
C) 4 D) 2√5
 
Answer & Explanation Answer: A) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

11 2622
Q:

In a certain code, "go home" is written as "ta na" and "nice little home" is written as "na ja pa". How is "go" written in that code?

A) ta B) na
C) ja D) na or ta
 
Answer & Explanation Answer: A) ta

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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