Aptitude and Reasoning Questions

Q:

S and T can finish a work in 50 days. They worked together for 20 days and then left. How much of the work is left?

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

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

3 1908
Q:

The product of the ages of Swati and Aparna is 120. If thrice the age of Aparna is more than Swati's age by 2 years, find the age of Swati.

A) 18 B) 20
C) 24 D) 16
 
Answer & Explanation Answer: A) 18

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

3 1908
Q:

In a Rhombus ABCD, measure of angle CAB is 35°, what is the measure of angle ABC?

A) 70° B) 40°
C) 50° D) 110°
 
Answer & Explanation Answer: D) 110°

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Filed Under: Simplification
Exam Prep: Bank Exams

2 1908
Q:

A sum fetched a total simple interest of Rs.5,400 at the rate of 12.5 %/yr in 4 years. What is the sum (in Rs)?

A) 11800 B) 12800
C) 9800 D) 10800
 
Answer & Explanation Answer: D) 10800

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Filed Under: Simple Interest
Exam Prep: Bank Exams

3 1908
Q:

What is the value of 2+2+2+2.......

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

Explanation:

Let 2+√2+√2..... = t
2+√t = t
t - 2 = √t
t = 4

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1908
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 1908
Q:

Mayur can complete a work in 27 hours. If he is joined by Jayantika who is 100% more efficient, in what time will they together finish the work?

A) 6 hours B) 3 hours
C) 9 hours D) 10 hours
 
Answer & Explanation Answer: C) 9 hours

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1907
Q:

What is the Number of candidates who had applied if the ratio of selected to unselected was 14 : 25. If 35 less had applied and 10 less selected, the ratio of selected to unselected would have been 3 : 5?

A) 195 B) 205
C) 185 D) 175
 
Answer & Explanation Answer: A) 195

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

2 1907