Aptitude and Reasoning Questions

Q:

A man walked diagonally across a square plot. Approximately what was the percent saved by not walking along the edges?

A) 10% B) 20%
C) 30% D) 40%
 
Answer & Explanation Answer: C) 30%

Explanation:

let the side of the square be x meters
length of two sides = 2x meters
diagonal = 2x= 1.414x m

 

saving on 2x meters = .59x m

 

saving % = 0.59x2x*100%

 

= 30% (approx)

Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

2 9380
Q:

A watch loses 5 minutes every hour and was set right at 6 a.m. on a Monday. When will it show the correct time again?

A) 6 a.m. on next Sunday B) 3 a.m. on next Monday
C) 3 a.m. on next Sunday D) 6 a.m. on next Monday
 
Answer & Explanation Answer: A) 6 a.m. on next Sunday

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Calendar
Exam Prep: Bank Exams

51 9378
Q:

Identify the diagram that best represents the relationship among the given classes.

Keyboard, Mouse, Input Device, Output Device, Computer

 

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

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

2 9373
Q:

If the position of the first, sixth digits of the number 2796543018 are interchanged, similarly the positions of the the second and seventh digits are interchanged and so on, which of the following will be the left of seventh digit from the left end?

A) 1 B) 7
C) 0 D) 8
 
Answer & Explanation Answer: A) 1

Explanation:

The new number formed is 4  3  0  1  8  2  7  9  6  5

The seventh digit from the left is 7, the 3rd digit from the left of 7 is 1

Report Error

View Answer Report Error Discuss

30 9373
Q:

Anu's present age is 9 years more than that of what Raj's age will be after five years. Raj's present age is seven years more than that of what Renu's age was 4 years ago. Renu's present age is 19 years. What will be Anu's age after 5 years ?

A) 39 yrs B) 36 yrs
C) 46 yrs D) 41 yrs
 
Answer & Explanation Answer: D) 41 yrs

Explanation:

Anu = (Raj + 5) + 9

= Raj + 14 -------- (I)

Raj = (Renu - 4) + 7

= Renu + 3 ------- (II)

Raj's age = 19 + 3 = 22 years

After 5 years Anu's age = 22 + 14 + 5 = 41 years

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

9 9370
Q:

The Present worth of Rs.2310 due 212 years hence ,the rate of interest being 15% per annum, is :

A) Rs.1440 B) Rs.1750
C) Rs.1680 D) Rs.1840
 
Answer & Explanation Answer: C) Rs.1680

Explanation:

P.W=Rs.100×2310100+15×52 = Rs.1680

Report Error

View Answer Report Error Discuss

Filed Under: True Discount

0 9363
Q:

10 men, working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the work in 12 days ?

A) 4 hours a day B) 5 hours a day
C) 6 hours a day D) 7 hours a day
 
Answer & Explanation Answer: C) 6 hours a day

Explanation:

More Men, Less Hours {Indirect Proportion}

Less Days, More Hours {Indirect Proportion}

 men15 : 10days12 : 18  6:x

 

=> 15 * 12 * x = 10 * 18 * 6

=>x = 6

Report Error

View Answer Report Error Discuss

Filed Under: Chain Rule

8 9354
Q:

(0.2 * 0.2 + 0.01) ( 0.1 * 0.1 + 0.02)^(-1) is equal to :

A) 5/3 B) 9/3
C) 11/3 D) 13/3
 
Answer & Explanation Answer: A) 5/3

Explanation:

Given = (0.2 * 0.2 + 0.01) / ( 0.1 * 0.1 + 0.02) = (0.04 + 0.01) / (0.01 + 0.02) = 0.05 / 0.03 = 5/3...

Report Error

View Answer Report Error Discuss

Filed Under: Decimal Fractions

12 9354