Aptitude and Reasoning Questions

Q:

A race has three parts. The speed and time required to complete the individual parts for a runner is displayed on the following chart:
                       

                         Part I     Part II       Part III

Speed (kmph)       9            8              7.5

Time (minutes)     50          80             100

What is the average speed of this runner?

A) 8.17 kmph B) 8.00 kmph
C) 7.80 kmph D) 7.77 kmph
 
Answer & Explanation Answer: B) 8.00 kmph

Explanation:

Avg speed = Tot dist/Tot time = (45+64+75)/23 = 184/23

= 8 kmph
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Filed Under: Time and Distance
Exam Prep: Bank Exams

3 2460
Q:

One tap can fill a water tank in 50 mins and another tap can make the filled tank empty in 75 mins. If both the taps are open together, already half filled tank would be full in

A) 60 min B) 75 min
C) 125 min D) 150 min
 
Answer & Explanation Answer: B) 75 min

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

1 2460
Q:

If the radius of a circle is increased by 14% its area increases by

A) 28 percent B) 29.96 percent
C) 14 percent D) 14.98 percent
 
Answer & Explanation Answer: B) 29.96 percent

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

1 2459
Q:

If 2A = 3B = 8C; What is A : B : C?

A) 8 : 3 : 2 B) 8 : 4 : 3
C) 2 : 3 : 8 D) 12 : 8 : 3
 
Answer & Explanation Answer: D) 12 : 8 : 3

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 2457
Q:

A wholesaler sells a watch to a retailer at a gain of 37% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2,620.125, what had it cost the wholesaler?

A) Rs 2550 B) Rs 2692
C) Rs 3327 D) Rs 2408
 
Answer & Explanation Answer: A) Rs 2550

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

3 2457
Q:

Painter 'A' can paint a house in 10 days and 'B' can do it in 20 days. With help of 'C', they did the job in 5 days only. Then, 'C' alone can do the job in:

A) 20 days B) 10 days
C) 40 days D) 50 days
 
Answer & Explanation Answer: A) 20 days

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

0 2455
Q:

If 1 + (1/2) + (1/3) + ... + (1/20) = k, then what is the value of (1/4) + (1/6) + (1/8) + ... + (1/40)?

A) k/2 B) 2k
C) (k – 1)/2 D) (k + 1)/2
 
Answer & Explanation Answer: C) (k – 1)/2

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

11 2455
Q:

A parallelogram PQRS, the length of whose sides are 8 cm and 12 cm, has one diagonal 10 cm long Ile length of the other diagonal is approximately:

A) 17.8 cm B) 17.5 cm
C) 17 cm D) 18 cm
 
Answer & Explanation Answer: A) 17.8 cm

Explanation:
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Filed Under: Area

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