Aptitude and Reasoning Questions

Q:

A passenger train running at the speed of 80 kms/hr leaves the railway station 6 hours after a goods train leaves and overtakes it in 4 hours. What is the speed of the goods train?

A) 32 kms/hr B) 50 kms/hr
C) 45 kms/hr D) 64 kms/hr
 
Answer & Explanation Answer: A) 32 kms/hr

Explanation:
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Filed Under: Problems on Trains

4 1872
Q:

A train moves at the speed of 40 m/s and crosses a bridge of length 550 metres in 25 seconds. What is the length (in metres) of the train?

A) 400 B) 450
C) 480 D) 550
 
Answer & Explanation Answer: B) 450

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

3 1871
Q:

If 3x= 4y= 12, then z is equal to

A) xy B) x + y
C) xy/x+Y D) 4x +3y
 
Answer & Explanation Answer: C) xy/x+Y

Explanation:
Taking log of all 3 we get
xln3 = yln4 =
zln12 = k
z = k/ln12 = k / ln(
3*4) = k/ln3 + ln4 = k / (k/x +k/y) = xy / (x+y)
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1871
Q:

In a school , 391 boys and 323 girls have been divided into the largest possible equal classes , so that each class of boys numbers the same as each class of girls . What is the number of classes ?

A) 23 B) 19
C) 44 D) 17
 
Answer & Explanation Answer: D) 17

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Filed Under: Average
Exam Prep: Bank Exams

1 1870
Q:

A solid cylinder has radius of base 14 cm and height 15 cm. 4 identical cylinders are cut from each base as shown in the given figure. Heoght of small cylinder is 5 cm. What is the total surface area of the remaining part?

A) 3740 B) 3432
C) 3124 D) 2816
 
Answer & Explanation Answer: B) 3432

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 1869
Q:

A hemisphere is kept on top of a cube. Its front view is shown in the given figure. The total weight of the figure is 21 cm. The ratio of curved surface area of hemisphere and total surface area of cube is 11 : 42. What is the total volume (in cub.cm) of figure?

A) 3318.33 B) 3462.67
C) 3154.67 D) 3248.33
 
Answer & Explanation Answer: B) 3462.67

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

2 1869
Q:

If FRIEND is coded as HTKGPF then REVEAL will be coded as:

A) TGXFCN B) TGXNGC
C) TXGNCG D) TGXGCN
 
Answer & Explanation Answer: D) TGXGCN

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

0 1869
Q:

If Rs. 10000 amounts to Rs. 11664 invested in compound interest(compounded annually) for two years then the annual rate of compound interest is

A) 10% B) 9%
C) 8% D) 6%
 
Answer & Explanation Answer: C) 8%

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Filed Under: Compound Interest
Exam Prep: Bank Exams

1 1869