Aptitude and Reasoning Questions

Q:

9 men and 12 boys finish a job in 12 days, 12 men and 12 boys finish it in 10 days. 10 men and 10 boys shall finish it in how many days ?

A) 15 days B) 11 days
C) 14 days D) 12 days
 
Answer & Explanation Answer: D) 12 days

Explanation:

9M + 12B ----- 12 days ...........(1)
12M + 12B ------- 10 days........(2)
10M + 10B -------?
108M + 144B = 120M +120B
24B = 12M => 1M = 2B............(3)

From (1) & (3)

18B + 12B = 30B ---- 12 days

20B + 10B = 30B -----? => 12 days.

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Filed Under: Time and Work
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22 27213
Q:

Tract of land used for raising crops or livestock.

A) A field B) A farm
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

A tract of land used for raising crops or livestockcan be called a field or a farm.

 

a_tract_of_land_used_for_raising_crops_or_livestock1559215948.jpg image

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49 27211
Q:

The area of a circular field is 13.86 hectares. Find the cost of fencing it at the rate of Rs. 4.40 per metre.

A) 2808 B) 3808
C) 4808 D) 5808
 
Answer & Explanation Answer: D) 5808

Explanation:

Area = (13.86 x 10000) sq.m = 138600 sq.m

 

πR2=138600R2=138600×722R=210m 

 

Circumference = 2πR2=2×227×210=1320m 

 

Cost of fencing = Rs. (1320 x 4.40) = Rs. 5808.

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25 27198
Q:

517  325  639  841  792

What will be the first digit of the second highest number after the positions of only the 2nd, 3rd digits within each number are interchanged?

A) 8 B) 2
C) 7 D) 9
 
Answer & Explanation Answer: C) 7

Explanation:

The new numbers formed are 571, 352, 693, 814, 729

The second highest number is 729, its first digit is 7

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19 27164
Q:

If 'A $ B' means 'A is brother of B', 'A @ B'means 'A is wife of B', 'A # B' means 'A is daughter of B' and 'A & B'means 'A is father of B', then which of the following expressions indicates the relationship 'K' is father-in-law of H'? 

 

A) H @ J $ L # P & K B) H @ J $ P & L # K
C) H @ J $ L # K & P D) H @ P $ J & L # K
 
Answer & Explanation Answer: C) H @ J $ L # K & P

Explanation:

K is the father-in-law of H means H is the wife of the brother (say, J) of the daughter (say, L) of K and K is a male (brother or father of some person, say P) i.e H @ J $ L # K $ P or H @ J $ L # K & P.

 

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49 27139
Q:

A rectangular plot measuring 90 meters by 50 meters is to be enclosed by wire fencing. If the poles of the fence are kept 5 meters apart. How many poles will be needed?

A) 65m B) 45m
C) 55m D) 56m
 
Answer & Explanation Answer: D) 56m

Explanation:

perimeter of the plot = 2(90+50) = 280m
no of poles =280/5 =56m

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19 27135
Q:

What is the measure of an exterior angle of a regular polygon of 6 sides?

 

A) 45 deg B) 60 deg
C) 40 deg D) 36 deg
 
Answer & Explanation Answer: B) 60 deg

Explanation:
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Q:

Study the following table and answer the questions based on it.

Following table gives the expenditures of a company (in lakh rupees) per annum over the given years.

 

 

Expenditure on Fuel and Transport forms what percentage of expenditure on Salary for the year 2001?

 

A) 34.54% B) 39.22%
C) 33.57% D) 37.58%
 
Answer & Explanation Answer: A) 34.54%

Explanation:
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Filed Under: Table Charts
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