Aptitude and Reasoning Questions

Q:

x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?

A) 2 and 16 B) 2 and 32
C) 4 and 32 D) 4 and 16
 
Answer & Explanation Answer: B) 2 and 32

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams , CAT

4 1606
Q:

If a2+b2+c2=14 and a+b+c=6, then the value of ab+bc+ca is,

A) 11 B) 12
C) 13 D) 14
 
Answer & Explanation Answer: A) 11

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1606
Q:

When Amar walk from P to Q and return from Q to P on cycle, it takes him 29 minutes. By walking both ways, it takes him 49 minutes. If he rides cycle both ways then what will be the total time (in minutes)?

A) 9 B) 11
C) 13 D) 15
 
Answer & Explanation Answer: A) 9

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Filed Under: Time and Distance
Exam Prep: Bank Exams

4 1605
Q:

If 4!4 = 80, 3!8 = 110 and 6!2 = 80, then find the value of 7!9 = ?

A) 70 B) 100
C) 60 D) 160
 
Answer & Explanation Answer: D) 160

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 1605
Q:

The sum of 6xy(2x - 4z) , 3yz(2x - 3z) and 4xz(3y - 2y2) is

A) 12x2y - 6xyz - 9yz2 + 8xy2z B) 12x2y - 6xyz + 9yz2 - 8xy2z
C) 12x2y - 6xyz - 9yz2 - 8xy2z D) 12x2y + 6xyz - 9yz2 - 8xy2z
 
Answer & Explanation Answer: C) 12x2y - 6xyz - 9yz2 - 8xy2z

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Filed Under: Simplification
Exam Prep: Bank Exams

2 1605
Q:

Abhinav is 2 times as good a workman as Balwant and therefore is able to finish a job in 36 days less than Balwant. Working together, they can do it in

A) 12 days B) 6 days
C) 18 days D) 24 days
 
Answer & Explanation Answer: D) 24 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

0 1605
Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

13,25,49,85, ?

A) 331 B) 132
C) 133 D) 381
 
Answer & Explanation Answer: C) 133

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Filed Under: Number Series
Exam Prep: Bank Exams

1 1605
Q:

20% of a man's salary is paid as rent, 60% are his living expenses and 10% are his savings. If he spends remaining  30 on the education of his children, find his salary

A) 300 B) 900
C) 3000 D) 9000
 
Answer & Explanation Answer: A) 300

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Filed Under: Percentage
Exam Prep: Bank Exams

0 1605