Aptitude and Reasoning Questions

Q:

If 75% of a number is added to 75, then the result is the number itself. The number is :

A) 100 B) 200
C) 300 D) 400
 
Answer & Explanation Answer: C) 300

Explanation:

Let the number be x, Then 

75% of x + 75 = x 

=> x - 75x/100 =75 

=> x =  300 .

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Filed Under: Percentage

264 64380
Q:

An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?

A) 360 B) 180
C) 90 D) 60
 
Answer & Explanation Answer: B) 180

Explanation:

Angle traced by the hour hand in 6 hours=(360/12)*6

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Filed Under: Clocks
Exam Prep: Bank Exams
Job Role: Bank PO

190 64311
Q:

Find the value of 

n+3n2+9n4+......

A) 0 B) 1
C) 2 D) infinity
 
Answer & Explanation Answer: D) infinity

Explanation:
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Filed Under: Simplification

4 63980
Q:

Select the related word/letters/number from the given alternatives.

60:36::100:___________

A) 100 B) 10000
C) 516 D) 1000
 
Answer & Explanation Answer: A) 100

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

2 63814
Q:

194, 194, 191, 183, 168, ?

Find the next number in the above series? 

A) 154 B) 156
C) 144 D) 143
 
Answer & Explanation Answer: C) 144

Explanation:

Here the series follows,

194

194 - (1x1 - 1) = 194

194 - (2x2 - 1) = 191

191 - (3x3 - 1) = 183

183 - (4x4 - 1) = 168

168 - (5x5 - 1) = 144

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

15 63755
Q:

If log 27 = 1.431, then the value of log 9 is

A) 0.754 B) 0.854
C) 0.954 D) 0.654
 
Answer & Explanation Answer: C) 0.954

Explanation:

log 27 = 1.431
log33 = 1.431
3 log 3 = 1.431
log 3 = 0.477
log 9 = log(32)= 2 log 3 = (2 x 0.477) = 0.954

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Filed Under: Logarithms
Exam Prep: Bank Exams
Job Role: Bank PO

130 63663
Q:

What comes next in the series...

1A2, 3C4, 7G8, ___

A) 15O16 B) 16P17
C) 14O15 D) 13P14
 
Answer & Explanation Answer: A) 15O16

Explanation:

The first digit is formed by adding the numbers which are the results of powers of 2 increased by one and second letter is the corresponding alphabet to that number...last number is the next number to the first one...therefore

15=7+8 (i.e. 2^3)

O is corresponding alphabet to 15

and 16 comes after 15 

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Filed Under: Number Series

18 63524
Q:

Arrange the following in a logical order :

1. Shoulder     2. Wrist     3. Elbow     4. Palm     5. Finger

A) 2, 4, 5, 3, 1 B) 3, 1, 4, 2, 5
C) 3, 4, 5, 2, 1 D) 5, 4, 2, 3, 1
 
Answer & Explanation Answer: D) 5, 4, 2, 3, 1

Explanation:

Clearly, Here are the names of parts of a hand, Which may be arranged 

(i) from top to bottom, i.e, Shoulder, Elbow, Wrist, Palm, Finger - Which is 1, 3, 2, 4, 5  (or)

(ii) from bottom to top, i.e, Finger, Palm, Wrist, Elbow, Shoulder - Which is 5, 4, 2, 3, 1

Out of these, the sequence 5, 4, 2, 3, 1 is given in the alternatives provided. Hence, the answer is (D).

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86 63501