Aptitude and Reasoning Questions

Q:

If the perimeters of a square and a rectangle are the same, then the area a & b enclosed by them would satisfy the condition:

A) a B) a>b
C) a=b D) none
 
Answer & Explanation Answer: B) a>b

Explanation:

Take a square of side 4cm and a rectangle having l=6cm and b=2cm

then perimeter of square = perimeter of rectangle

area of square = 16 sq.cm

area of rectangle = 12 sq.cm

Hence a >b

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Filed Under: Area
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Q:

What is the principal sum?
I. The sum amounts to Rs. 690 in 3 years at S.I.
II. The sum amounts to Rs. 750 in 5 years at S.I.
III. The rate of interest is 5% p.a.

A) I and III only B) II and III only
C) I and II only D) Any two of the three
 
Answer & Explanation Answer: D) Any two of the three

Explanation:

Clearly, any of the three will give us the answer

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Q:

Arrange the following words will come in middle if all of them are arranged alphabetically as in a dictionary?

A) Savage B) Savour
C) Save D) Saviour
 
Answer & Explanation Answer: C) Save

Explanation:

Sausage, Savage, Save, Saviour, Savour

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54 15606
Q:

A Person X started at 3 hours earlier  at 40km/h from a place P, then another person Y followed him at 60km/h. Started his journey at 3 O'clock, afternoon. What is the diference in time when X was30 km ahead of Y and when Y was 30 km ahead of X?

A) 2h B) 3h
C) 3.5h D) 4.25h
 
Answer & Explanation Answer: B) 3h

Explanation:

Time ( when X was 30 km ahead of Y) = (120-30)/20 =4.5h

Time ( when Y was 30 km ahead of X) = (120+30)/20 = 7.5 h

Thus, required  difference in time = 3h

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Filed Under: Time and Distance

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Q:

Find the surface area of a10cm x 4cm x 3cm brick

A) 84 B) 124
C) 164 D) 180
 
Answer & Explanation Answer: C) 164

Explanation:

surface area = [2(10*4 + 4*3 + 10*3)]sq.cm = 164 sq.cm

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Filed Under: Volume and Surface Area
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22 15592
Q:

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

 

The following table shows the domestic sales of cars of five manufacturers from 2005 to 2010.
(All the figures are in thousands)

 

 

During 2010, the sales of which manufacturer has shown the maximum percentage increase over the previous year?

A) L B) M
C) N D) P
 
Answer & Explanation Answer: C) N

Explanation:
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Q:

Select the option that correctly fits in the blank space in the given figure.

 

A) D B) A
C) C D) B
 
Answer & Explanation Answer: C) C

Explanation:
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Q:

The wheel of a motorcycle 70cm in diameter makes 40 revolutions in every 10sec.What is the speed of motorcycle n km/hr?

A) 13.68kmph B) 31.68kmph
C) 41.68kmph D) 45.68kmph
 
Answer & Explanation Answer: B) 31.68kmph

Explanation:

In this type of question, we will first calculate the distance covered in given time.

 

Distance covered will be : Number of revolutions x Circumference 

 

So we will be having distance and time, from which we can calculate the speed. 

 

Radius of wheel = 70 / 2 = 35 cm

 

Distance covered in 40 revolutions will be 40*circumferene=40*2πr=40*2*227*35=8800cm = 88 m

 

Distance covered in 1 sec  = 8810=8.8m/s=8.8*185km/hr=31.68km/hr

 

 

 

 

 

 

 

 

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Filed Under: Area
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