Aptitude and Reasoning Questions

Q:

The curved surface area and the diameter of a right circular cylinder are 660 sq.cm and 21 cm respectively. Find its height (in cm).

 

A) 9 B)  10
C) 12 D) 8
 
Answer & Explanation Answer: B)  10

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If MACHINE is coded as 19-7-9-14-15-20-11, how will you code DANGER?

A) 10-7-20-13-11-24 B) 13-7-20-11-10-25
C) 11-7-20-16-11-24 D) 13-7-20-9-11-25
 
Answer & Explanation Answer: A) 10-7-20-13-11-24

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Filed Under: Coding and Decoding
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Q:

A cyclist cycles 3.5 km West, then turns North and cycles 2.5 km North, then turns to his right and cycles 3.5 km, then turns North and cycles 4.5 km.Where is he now with respect to his starting position?

A) 2 km North B) 7 km South
C) 7 km North D) 2 km South
 
Answer & Explanation Answer: C) 7 km North

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Filed Under: Direction Sense Test
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Q:

If the length of the side of an equilateral triangle is 6 cm, what is its area?

A) 18√3 sq cm B) 36√3 sq cm
C) 27√3 sq cm D) 9√3 sq cm
 
Answer & Explanation Answer: D) 9√3 sq cm

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Filed Under: Area
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Q:

Find the circumference (in cm) of a circle of radius 10.5 cm

A) 84 B) 35
C) 70 D) 66
 
Answer & Explanation Answer: D) 66

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Filed Under: Area
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Q:

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

A) 76.8 km/hr B) 64 km/hr
C) 96 km/hr D) 51.2 km/hr
 
Answer & Explanation Answer: B) 64 km/hr

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

If a - b = 2 and ab = 15, then what is the value of a3- b3?

A) 152 B) 112
C) 108 D) 98
 
Answer & Explanation Answer: D) 98

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Filed Under: Simplification
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Q:

In each of the following questions, a question is followed by information given in them Statements I, II and III. You have to study the question along with the statements and decide the information given in which or the statements/ is necessary to answer the question. 

What is the cost of flooring the rectangular hall?

I. Length and the breadth of the hall are in the ratio of 3:2

II. Length of the hall is 48 m and cost of flooring is ₹ 850 Per sq.m.

III. Perimeter of the hall is 160 m and cost of flooring is ₹ 850 per sq m

A) I and II B) I and III
C) Only III D) I and either II or III
 
Answer & Explanation Answer:

Explanation:

From I and II,
Length = 3x = 48 m
∴ x = 16
Breath = 2x = 32 m
Hence, Area of floor = 48 × 32
Cost of flooring = 48 × 32 × 850 = ₹ 1305600
From I and III, 2(l +b) = 160
2(3x + 2x) = 160
10x = 160
∴ x = 16
∴ Length = 3 × 16 = 48 m
Breadth = 2x = 32m
Cost of flooring = (48 × 32) × 850 = ₹ 1305600
Similarly, from II and III, we can find
l = 48 m
b = 32 m
and Total cost of flooring = ₹ 1305600

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