Aptitude and Reasoning Questions

Q:

If '÷' stands for subtraction,'-' stands for addition,'x' stands for division and '+' stands for multiplication, then which one of the following equation is correct?

A) 35 ÷ 4 - 25 x 5 + 5 = 28 B) 35 ÷ 4 - 25 x 5 + 5 = 61
C) 35 ÷ 4 - 25 x 5 + 5 = 41 D) 35 ÷ 4 - 25 x 5 + 5 = 56
 
Answer & Explanation Answer: D) 35 ÷ 4 - 25 x 5 + 5 = 56

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

4 1874
Q:

Which of the following numbers will have an irrational square root?

A) 1024 B) 2401
C) 4096 D) 2048
 
Answer & Explanation Answer: D) 2048

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

2 1874
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

4 1874
Q:

The average of fruits offered in a temple in a week was 75. The average of fruits offered in six days excluding Tuesday was 72. How many fruits were offered on Tuesday?

A) 90 B) 93
C) 72 D) 92
 
Answer & Explanation Answer: B) 93

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Filed Under: Average

1 1873
Q:

If the present ages of a father and his son are 48 years and 28.8 years old respectively, then the father can say to his son, "I was ......... of your present age when you were born".

A) half B) two-third
C) one-fifth D) one-third
 
Answer & Explanation Answer: B) two-third

Explanation:

The present age of Father (f) = 48 and present age of son (s) = 28.8
The age of father at his sons birth is 48 - 28.8 = 19.2
Therefore the age of father was 2/3rd of his son's age at the time of his sons birth

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT

1 1872
Q:

If a:b = 5:8, find the value of (6a -­ 5b)/(a + 2b).

A) 10/21 B) -21/10
C) 21/10 D) -10/21
 
Answer & Explanation Answer: D) -10/21

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

0 1871
Q:

An engineering student has to secure 36% marks to pass. He gets 53 and fails by 37 marks. Find the maximum marks.

A) 275 marks B) 250 marks
C) 300 marks D) 325 marks
 
Answer & Explanation Answer: B) 250 marks

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

In UVW measure of angle V is 900. If cosecU = 13/12, and UV = 2.5 cm, then what is the length (in cm) of side VW?

A) 6.5 B) 6
C) 4 D) 5.6
 
Answer & Explanation Answer: B) 6

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Filed Under: Simplification
Exam Prep: Bank Exams

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