Aptitude and Reasoning Questions

Q:

A person driving at the speed of 45 kmph reaches office 1 minute early while she reaches 3 minutes late if driving 40 kmoh. What is the distance (in Km) that she is covering?

 

A) 24 B) 28
C) 32 D) 30
 
Answer & Explanation Answer: D) 30

Explanation:

Difference in time taken = 4min = 1/15 hr

Let the total distance covered by person be D km.

Then,

D/40 – D/45 = 1/15

⇒ 5D = 120

⇒ D = 24 km

∴ Distance covered by person is 24 km.

 

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

What is the percentage decrease in the area of a triangle if its each side is halved?

A) 75% B) 50%
C) 25% D) No change
 
Answer & Explanation Answer: A) 75%

Explanation:
Area of triangle of = ½*a*b* sinθ = A
Where a and b are sides of the triangle and θ be the angle between them
After decreasing each side
New area = ½*(a/2)*(b/2)*sinθ = ¼ A
%decrease = [(A–¼ A)/A ]*100 = 75%
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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

Karan remembers that his sister's birthday is not after 18th August. Karan's mother remembers that Karan's sister birthday is before 20th August but after 17th August. On which date of August is Karan's sister birthday?

A) 18 B) 17
C) 19 D) 20
 
Answer & Explanation Answer: A) 18

Explanation:
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Filed Under: Calendar
Exam Prep: Bank Exams

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Q:

If cosecA + cotA = x, then value of x is

A) 1/(cosecA - cotA) B) 1/(secA - tanA)
C) 1/(secA - cosA) D) 1/(sinA - cosA)
 
Answer & Explanation Answer: A) 1/(cosecA - cotA)

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

A water tank has holes. The 1st hole alone empties the tank in 9 min and 2nd hole alone empties the tank in 6 min. If water leaks out at a constant rate, how many min does it take if both the holes together empty the tank?

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

Explanation:
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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

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Q:

Indigenous tribes living near Amazon forests are cutting down trees to cover their basic needs , thus severely affecting the ecological balance in the area.

 

Courses of action:

I. All the tribes living near the Amazon rain forests Should be forced to shift to urban areas of the country.

II. The tribes should be allowed to continue doing so as they cut down trees for their basic needs and not for commercial purposes.

A) If only course of action I follows B) If only course of action II follows
C) If either course of action I or II follows D) If both courses of action I and II follow
 
Answer & Explanation Answer: D) If both courses of action I and II follow

Explanation:

I is simply absurd. But even II is not the solution.

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Q:

Excluding stoppages, the speed of a bus is 80 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?

A) 12 B) 15
C) 18 D) 20
 
Answer & Explanation Answer: B) 15

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

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Q:

In a row of people Manu is 7th from bottom end of row. Shrey is 10 ranks above Manu. If Shrey is 8th from top end, then how many people are there in this row?

A) 25 B) 26
C) 24 D) 23
 
Answer & Explanation Answer: D) 23

Explanation:
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